1, Apex of flowering shoot.
The rajah of Patala at the apex of the Indus delta abandoned his country and fled.
Puncturella, mantle and shell with a foramen in front of the apex, British.
a, Apex of leaf.
apart from each, and occupying the position of the apex of an inverted pyramid.
The mouth, with its jaws, forms a conical outgrowth which projects backwards, so that its apex lies beneath the prothorax.
in length, with very deep lobes at the lower part, but dilated widely at the apex, and there notched.
The apex of the cochlea is turned towards, and almost reaches the anterior wall of the occipital condyle; at most it makes but half a twist or turn; it possesses both Reissner's membrane and the organ of Corti.
It can be traced back to the intestine i near the surface of the visceral hump, and it is found that the apex of the coil formed by the hump is occupied by the liver h and the stomach v.
The village of Comorin, with the temple of Kanniyambal, the " virgin goddess," on the coast at the apex of the headland, is a frequented place of pilgrimage.
21.Median Longitudinal Section through the Apex of the Root of Pteris cretica.
A military organization may be quite correctly compared to a cone, of which the base with the largest diameter consists of the rank and file; the next higher and smaller section of the cone consists of the next higher grades of the army, and so on to the apex, the point of which will represent the commander-in-chief.
It is thought to have had its apex in Italy—in Venice, Florence, and Rome.
The kasbah forms the apex of a triangle of which the quays form the base.
Finally, a mouth is formed by breaking through at the apex of the manubrium, and the now fully-formed medusa becomes separated by rupture of the stalk of the bud and swims away.
He paid especial attention to orthography, and sought to differentiate the meanings of cases of like ending by distinctive marks (the apex to indicate a long vowel is attributed to him).
At the apex of the pyramid came the doge and his council, the point of highest honour and least weight in the constitution.
In some cases where there is apparently a well-marked plerome at the apex, this is really the young pith, the distinction between the stelar and cortical initials, if it exists, being, as is so often the case, impossible to make out.
As in all such introand e-versible organs, eversion of the Gastropod proboscis is effected by pressure communicated by the muscular body-wall to the liquid contents (blood) of the body-space, accompanied by the relaxation of the muscles which directly pull upon either the sides or the apex of the tubular organ.
the tissueo are completely formed much nearer to the apex, than is the case in the stem.
Just behind its apex the cells are found to be all in process of active division.
When the leaves are developed early, they often quite overshadow thi actual apex of the stem, and the rapid formation of leaf-tissui disturbs the obviousness of, and perhaps actually destroys, th~ stratified arrangement of the shoot initials.
On the east coast the fall is far less, nowhere rising to 50 in., and towards the southern apex of the peninsula being reduced to 25 or 30 in.
The root differs from the shoot in the characters of its surface tissues, in the absence of the green assimilative pigment chlorophyll, in the arrangement of its vascular system and in the mode of growth at the apex, all features which are in direct relation to its normally subterranean life and its fixative and absorptive functions.
Tail of moderate length, thick at the base and tapering towards the apex, clothed with short hair_ First hind toe (including the metacarpal bone) absent.
of the thallus, whatever its external form, by branched, continuous or septate, coenocytic tubes (Siphoneae and Fungi), or by simple or branched cell-threads (Red and many Green Algae), in both cases growing mainly or entirely at the apex of each branch, is almost universal in.
The apex in this case will describe a circle, or rather a spiral, as it is elongating all the time, pointing to all points of the compass in succession.
If a growing stem receives stronger illumination on one side than another, its apex slowly turns from the vertical in the direction of the light source, continuing its change of position until it is in a direct line with the incident rays.
Even the root tip, which shows a certain differentiation into root cap and root apex, cannot be said to be a definite sense organ in the same way as the sense organs of an animal.
cristatum is a handsome variety with fronds forking at the apex and the tips of all the pinnae crested and curled.
long, and have pale-yellow anthers, bearing tufts of hairs at the apex; the female attain a length in the fruiting stage of 2 to 4 in., with bracts i to 12 in.
The calcareous Claiborne or ClaiborneLisbon formation-group lies south of the last, in a wedge-like strip with the apex on the Alabama boundary; it is a series of clays and sands, richly fossiliferous.
Supposing the tube to be completely introverted and to commence its eversion, we then find that eversion may take place, either by a forward movement of the side of the tube near its attached base, as in the proboscis of the Nemertine worms, the pharynx of Chaetopods and the eye-tentacle of Gastropods, or by a forward movement of the inverted apex of the tube, as in the proboscis of the Rhabdocoel Planarians, and in that of Gastropods here under consideration.
Thus the base of the gill passes in a slanting direction across the right-hand side of the kidney, the posterior end being dorsal to the apex of the gland, and the anterior end ventral to the right-hand corner.
From the ovo-testis, which lies near the apex of the visceral coil, a common hermaphrodite duct ve proceeds, which receives the duct of the compact white albuminiparous gland, Ed, and then becomes much enlarged, the additional width being due to the development of glandular folds, which are regarded as forming a uterus u.
Shell largely chitinous, not spiral, its calcareous apex projecting through a small hole in the mantle.
In the first, which are called ectotropic, the fungal filaments form a thick felt or sheath round the root, either completely enclosing it or leaving the apex free.
This usually has the form of a tetrahedron, with its points base occupying the surface of the body of the axis and its apex pointing towards the interior.
In the case of the original Repsold plan without clockwork the description is not quite exact, because both the process of following the object and correcting the aim are simultaneously performed; whilst, if the clockwork runs uniformly and the friction-disk is set to the proper distance from the apex of the cone, the star will appear almost perfectly at rest, and the observer has only to apply delicate corrections by differential gear - a condition which is exactly analogous to that of training a modern gun-sight upon a fixed object.
The scales of its cones are winged, and have a hook at the apex.
43, A); in this the mouth is formed distally as a perforation (B); next the sides of the tube so formed bulge out laterally near the attachment to form the umbrella, while the distal undilated portion of the tube represents the manubrium (C); the umbrella now grows out into a number of lobes or lappets, and the tentacles and tentaculocysts grow out, the former in a notch between two lappets, the latter on the apex of each lappet (D, E); finally, the velum arises as a growth of the ectoderm alone, the whole bud shapes itself, so to speak, and the little medusa is separated off by rupture of the thin stalk connecting it with the parent (F).
separation between the young cylinder (plerome) and young corte1 (periblem), the latter having one or more layers of initials at th actual apex.
the terms " apex mentis " and " scintilla " (also " synderesis"' or o"vvr'iip ats) to describe the faculty of mystic intuition..
Fissurella, mantle and shell perforated at apex, British.
The angle between the costa and termen is the apex.
resting on a stylobate of three steps; its length is 27 ft., its breadth 182 ft., and its total height, from the apex of the pediment to the bottom of the steps, 23 ft.
In Bulimus the spire is elongated with a pointed apex.
Pupa is named from its resemblance to a chrysalis, the apex being rounded.
The point of interest is that their diggings have shown that the Horus kings of Upper Egypt had under the " Scorpion King " (who is not the same person as Narmer or Narmerza, as we now must call him) extended their rule as far as the apex of the Delta, N.
It projects horizontally forwards from the head in the form of a cylindrical or slightly tapering, pointed tusk, composed of ivory, with a central cavity reaching almost to the apex, without enamel, and with the surface marked by spiral grooves and ridges, running in a sinistral direction.
In general outline it is an irregular triangle, with apex at Cape Guardafui.
From the apex the north side extends over 600 m.
PYRAMIDION (diminutive of "pyramid"), an architectural term for the copper-gilt casing covering the apex of an obelisk, and generally extended to its upper termination of pyramidical form.
The French army was thus disposed almost in an equilateral triangle with sides of about 570 m., with 95,000 men at the apex at Moscow opposed to 120,000, 30,000 about Brest opposite ioo,000, and 17,000 about Drissa confronted by 40,000, whilst in the centre of the base at Smolensk lay Victor's corps, about 30,000.
The sides of the triangle slope down abruptly towards the west, more gradually towards the east; at the base stands the cone of Ayala Hill, the last outpost of the Rudnik Mountains, which extend far away to the south; and, at the apex, a cliff of Tertiary chalk, 200 ft.
The latex is collected in cups placed at the apex of each V.
The pseudo-deltidium (so named by Bronn in 1862) is a single plate which grows from the apex of the delthyrium downwards, and may completely close the aperture.
Two of the petals placed under the hood of the calyx are supported on long stalks, and have a hollow spur at their apex, containing honey.
Appendages of 2nd pair, with their basal segments uniting in the middle line below the mouth, weakly chelate at apex.
The corolla is generally funnelshaped, more rarely bell-shaped or tubular; the outer face is often marked out in longitudinal areas, five well-defined areas tapering from base to apex, and marked with longitudinal striae corresponding to the middle of the petals, and alternating with five non-striated weaker triangular areas; in the bud the latter are folded inwards, the stronger areas being exposed and showing a twist to the right.
thick, and is terminated by a rounded apex united by a necking to the shaft.
The male head-dress was the galerus, a hat of leather, said to have been worn by the Lucumos in early times, or the apex, a pointed hat corresponding to the tutulus worn by females.
the relief of the Ara Pacis already referred to) consisted in such a cap (galerus) with an apex, or spike, of olive wood inserted in the crown.
Profiting by the experience gained during the Athenian siege, he included in his new lines the whole plateau of Epipolae, with a strong fortress at Euryelus, its apex on the west; the total length of the outer lines (excluding the fortifications of the island) has been calculated at about 12 m.
in area falling in a gradual unbroken slope from its apex not far south of Prome down to the sea.
North of the apex of the delta and the boundary between the deltaic and inland tracts, the rainfall gradually lessens as far as Minbu, where what was formerly called the rainless zone commences and extends as far as Katha.
Near the centre is its apex, Mount Hillaby (110o ft.), from which the land falls on all sides in a series of terraces to the sea.
In the Phylactolaemata a single definite funiculus passes from the bodywall to the apex of the stomach.
In fine work the apex of the blister is ground off before the linal hammering.
Asia and Central America is remarkable for having the dentary bones loosely attached to the apex of the elongated articular bone.
At the apex of the pyramid stands John of Antioch, Chrysostom, who in 387, at the age of 40, began his 12 years' ministry in his native city and in 399, the six memorable years in Constantinople, where he loved the poor, withstood tyranny and preached with amazing power.
The leaves are generally lance-shaped with a sharp apex and a spiny margin; but vary in colour from grey to bright green, and are sometimes striped or mottled.
The flowers issue from between the mammillae, towards the upper part of the stem, often disposed in a zone just below the apex, and are either purple, rose-pink, white or yellow, and of moderate size.
The flowers, produced near the apex of the plant, are generally large and showy, yellow and rose being the prevailing colours.
They are dwarf, ribbed, globose or cylindrical plants; and the flowers, which are produced from the side instead of the apex of the stem, are large, and in some cases very beautiful, being remarkable for the length of the tube, which is more or less covered with bristly hairs.
- This name is now restricted to two or three dwarf branching Brazilian epiphytal plants of extreme beauty, which agree with Phyllocactus in having the branches dilated into the form of fleshy leaves, but differ in having them divided into short truncate leaf-like portions, which are articulated, that is to say, provided with a joint by which they separate spontaneously; the margins are crenate or dentate, and the flowers, which are large and showy, magenta or crimson, appear at the apex of the terminal joints.
guished from the pre ceding by the position of the ovipositor at the extreme apex of the abdomen, and from the groups that follow (with very few exceptions) by the jointed trochanters of the legs.
His war-ships were arranged in what was called a half-moon, and was in fact an obtuse angle with his flagship, the "Brederode," at the apex.
Cherbourg is situated at the mouth of the Divette, on a small bay at the apex of the indentation formed by the northern shore of the peninsula of Cotentin.
i it will be seen that in order to strike T the axis must be directed to G' at a height above T equal to TG, while the line of sight or line joining the notch of the tangent sight and apex of the dispart or foresight must be (/ ?` directed on T.
Two main shapes were adopted for the apex - the acorn and the hogsback.
The liquid to be filtered is poured into the cone, preferably down a glass rod upon the sides of the funnel to prevent splashing and to preserve the apex of the filter-paper, and passes through the paper, upon which the solid matter is retained.
Bunsen may be regarded as the originator of the second method, and it was he who devised the small cone of platinum foil, sometimes replaced by a cone of parchment perforated with pinholes, arranged at the apex of the funnel to serve as a support for the paper, which is apt to burst under the pressure differences.
to S.W., and its apex pointing N.W.
The county is roughly triangular in form, London lying at the apex of the western angle, the North Foreland at that of the eastern and Dungeness at that of the southern.
The beak or umbo of each valve is prominent and rounded, and a number of sharp ridges and furrows radiate from the apex to the free edge of the shell, which is crenated.
The same is true of Valentinus, who also placed an unnameable being at the apex of his system, and regarded matter, not as a second principle, but as a product of the one divine principle.
Above the pteron rose the pyramid, mounting by 24 steps to an apex or pedestal.
On this apex stood the chariot with the figure of Mausolus himself and an attendant.
The leaves of this species are awl-shaped, short and rigid, with pointed apex; closely adpressed, they completely cover the branchlets.
Their enamel covering is confined to the apex, and soon wears away.
Sometimes the left lobe stretches as far as the left abdominal wall, but more often it ends below the apex of the heart, which is 3 in.
high, with ovate-lanceolate stalked leaves tapering at the apex, surrounding a naked stalk bearing a flat-topped umbel of small white flowers.
The apex leads into the canal of the cervix, but between the two there is a slight constriction known as the os uteri internum.
5); here it is from a third to half an inch wide, though at the base and apex of the prostate it is narrower.
Posterior superior iliac spine Cut end of rectum Apex of sacrum Great sciatic notch Ureter Peritoneum Spine of ischium Bladder wall Seminal vesicle Tuberosity of ischium Ischio-rectal fossa Cut end of rectum External sphincter ani Gluteus maximus better seen in young the prostate the urethra runs more forward for about threequarters of an inch, lying between the two layers of the triangular From C. S.
A conical jet is thus produced, consisting of an inner cone, with an outer one commencing near its apex - the former, corresponding to.
Oxidation is better effected (if a very high temperature be not required) the farther the substance is from the apex of the inner cone, for the air has thus freer access.
The members of the genus Larix are distinguished from the firs, with which they were formerly placed, by their deciduous leaves, scattered singly, as in Abies, on the young shoots of the season, but on all older branchlets growing in whorl-like tufts, each surrounding the extremity of a rudimentary or abortive branch; they differ from cedars (Cedrus), which also have the fascicles of leaves on arrested branchlets, not only in the deciduous leaves, but in the cones, the scales of which are thinner towards the apex, and are persistent, remaining attached long after the seeds are discharged.
The zone of the external surface of the mantle within the edge secretes a layer formed of prisms of calcite; the rest of the epithelium from this zone to the apex secretes the inner layer of the shell, composed of successive laminae; this is the nacreous layer, and in certain species has a commercial value as nacre or mother-of-pearl.
The grandest place of all is the Colossal Dome, which used to be entered only from the apex by windlass and a rope reaching 135 ft.
MUSCATINE, a city and the county-seat of Muscatine county, Iowa, U.S.A., on the Mississippi river (here crossed by a wagon bridge), at the apex of the "great bend," in the south-east part of the state.
Extremity of a branch of the thallus with a young lateral branch a; h, hyphae; g, cells of the alga; gs, the apex of the thallus.
owing to the fact that s, Apex of the branch.
B, Apex of the trichogyne with the spermatium, s, (X405) attached (>0125).
From the head of the Val Pellice the main chain runs north-west, and diminishes much in average height till it reaches the Mont Thabor (10,440 ft.), which forms the apex of a salient angle which the main chain here presents towards the west.
Not unlike the runner, though growing in a very different way, are the bud-plants formed on the fronds of several kinds of ferns belonging to the genera Asplenium, Woodwardia, Polystichum, Lastrea, Adiantum, Cystopteris, &c. In some of these (Adiantum caudatusn, Polystichum lepidocaulon) the rachis of the frond is lengthened out much like the string of the strawberry runner, and bears a plant at its apex.
In delicate cases, such as seedling gloxinias and begonias, it is best to lift the little seedling on the end of a flattish pointed stick, often cleft at the apex, pressing this into the new soil where the plant is to be placed, and liberating it and closing the earth about it by the aid of a similar stick held in the other hand.
Or the primary hypha y first swell at its apex, and put forth a series of short peg-like branches (sterigmata) from the increased surface thus provided, each of which develops a similar basipetal chain of conidia (Aspergillus), and various combinations of these processes result in the development of numerous varieties of exquisitely branched sporophores of this type (Botrytis, Botryosporium, Verticillium, &c.).
A second type is developed as follows: the primary hypha forms a septum below its apex as before, and the terminal conidium, thus abstricted, puts out a branch at its apex, which starts as a mere point and rapidly swells to a second conidium; this repeats the process, and so on, so that we now have a chain of conidia developed in acropetal succession, the oldest being below, and, as in Penicillium, &c., branches put forth lower down may repeat the process (Hormodendron).
In this by far the larger division of the Basidiomycetes the basidia are undivided and the four basidiospores are borne on short sterigmata nearly always at the apex of the basidium.
In the last-named genus the peridium is double and the outer layer becomes ruptured and spreads out in the form of star-shaped pieces; the inner layer, however, merely opens at the apex by a small pore.
Leaves are produced as lateral outgrowths of the stem in definite succession below the apex.
The increase in length of the leaf by growth at the apex is usually of a limited nature.
It not unfrequently happens, especially amongst Monocotyledons, that after growth at the apex has ceased, it is continued at the base of the leaf, and in this way the length may be much increased.
- Apex of a shoot showing origin of leaves: f, leaf rudiment; g, rudiment of an axillary bud.
The part of the leaf next the petiole or the axis is the base, while the opposite extremity is the apex.
Besides the midrib there are two intra-marginal ribs which converge to the apex.
It is a pinnatifid leaf, with the divisions pointing towards the petiole and a large triangular apex.
16), when the apex is rounded as in ground ivy.
In some Australian acacias, and in some species of Oxalis and Bupleurum, the petiole is flattened in a vertical direction, the vascular bundles separating immediately after quitting the stem and running nearly parallel from base to apex.
Across the apex of the deltas are built great weirs (that of the Godaveri being 22 m.
The task of constructing this great work was committed to Mougel Bey, a French engineer of ability, who designed and constructed the great barrage across the two branches of the Nile at the apex of the delta, about 1 2 m.
of the apex of the Delta, in 30 0 3' N.
The apex is occupied by a massif of crystalline rocks.
The chief of these was limestone of varying degrees of fineness, composing the cliffs which lined the valley from the apex of the Delta to the neighborhood of El Kab; the best quality was obtained on the east side opposite Memphis from the quarries of Turra and Masgra.
The development of the ovule, which represents the embryo- Gymnosperms; when mature it consists of one or two sac. coats surrounding the central nucellus, except at the apex where an opening, the micropyle, is left.
a pro-embryo - a cellular row of which the cell nearest the micropyle becomes attached to the apex of the embryo-sac, and thus fixes the position of the developing embryo, while the terminal cell is projected into its cavity.
In many Monocotyledons the terminal cell forms the cotyledonary portion alone of the shoot of the embryo, its axial part and the root being derived from the adjacent cell; the cotyledon is thus a terminal structure and the apex of the primary stem a lateral one - a condition in marked contrast with that of the Dicotyledons.
In Fucaceae an apical cell is situate at the surface of the thallus in a slit-like depression at the apex.
C. Lomentaria sp., apex showing growth in length through coN.
There is a central region, roughly triangular in shape, with its base resting upon the Quaternary K Triassic Tertiary Carboniferous q & Metamorphic 7 Jurassic Aegean Sea and its apex in Servia.
Layer after layer has been stripped from their sides, and the flat or rounded top has been narrowed until it has now become the apex of a cone.
An excellent example of structures differentiated according to position is given by the appendages borne on the stem of an ordinary flowering plant-the one or two seed leaves; the stem leaves, which may or may not be differentiated into secondary sets; and the various floral organs borne at the apex of the stem or its lateral branches.
Its form is that of a great triangle, with its base resting upon the Himalayan range and its apex running far into the ocean.
17) be a section of the polar axis; it is then easy to adjust the weight P attached to its lower end so that the centre of gravity X of the whole moving parts of the instrument shall be in the vertical (V V) of a line passing through the apex of the hollowed flange p q at q, which flange forms part of the polar axis.
The first attempt to determine the solar apex (as the point towards which the solar motion is directed is termed) was made in 1783 by Sir William Herschel.
The systematic tendency of the proper motions is so marked that the motions of a very few stars are quite sufficient to fix roughly the position of the solar apex; but attempts to fix its position to within a few degrees have failed, notwithstanding the many thousands of determined proper motions now available.
There is for example some evidence that the declination of the solar apex is really increased when the motion is referred to fainter stars.
Of the various modern determinations of the apex, we give first those which depend, wholly or mainly, on the Auwers-Bradley proper motions.
Most of the above investigators, besides giving a general result, have determined the apex separately for bright and faint stars, for stars of greater or less proper motion, and in some cases for stars of Sirian and Solar spectra.
Considerable divergences in the resulting position of the apex are found.
Regarded as a linear velocity, the parallactic motion is the same for all stars, being exactly equal and opposite to the solar motion; but its amount, as measured by the corresponding angular displacement of the star, is inversely proportional to the distance of the star from the earth, and foreshortening causes it to vary as the sine of the angular distance from the apex.
The speed is very nearly four radii of the earth's orbit per year; thus the annual parallactic motion is equal to four times the parallax, for a star lying in a direction 90° from the solar apex; for stars nearer the apex or antapex it is foreshortened.
The older one - which may be called the " one-drift " hypothesis, since according to it the stars appear to form a single drift moving away from the solar apex - requires that the apparent directions of motion should be so distributed that fewest stars are moving directly towards the solar apex, and most stars along the great circle away from the solar apex, the number decreasing symmetrically, for directions inclined on either side of this great circle, according to a law which can be calculated.
The deviation is unmistakable; in general the direction from the solar apex is not the one in which most stars are moving; and, what is even more striking, the directions, in which most and fewest stars respectively move, are not by any means opposite to one another.
These two points may be called the apices of the two drifts, for they are analogues of the solar apex on the one-drift theory; they are about 110° apart.
The velocities of the drifts differ considerably, the one whose apex is in Ophiuchus having about 1 2 times the speed of the other.
The position of the solar apex calculated in this way agrees satisfactorily with that found by the usual methods.
It is naturally fairly close to the apex of the faster drift, but is displaced from it in the direction of the apex of the other drift.
In this connexion it may be noticed that, when the smaller and larger proper motions are discussed separately, the latter category will include an unduly great proportion of stars belonging to the fast-moving drift, and the resulting determination will lead to a solar apex too near the apex of that drift, i.e.
This appears to be the explanation of Stumpe's and Porter's results; they both divided their proper motions into groups according to their numerical amount, and found that the declination of the solar apex progressively increased as the size of the motions used diminished.
Another anomalous determination of the apex, due to H.
Kobold, using a peculiar and ingenious method, found for it a declination - 3°, which disagrees very badly with all other determinations; but it is a peculiarity of Kobold's method that it gives the line of symmetry of motion, which joins the apex and antapex, without indicating which end is the apex.
along the Caribbean Sea from Cape Gracias a Dios southwards to the San Juan delta, and its apex at the Coseguina volcano, on the Bay of Fonseca, which separates Nicaragua on the Pacific side from Salvador.
Durham is served by the Southern, the Seaboard Air Line, the Norfolk & Western, and the Durham & Southern railways, the last a short line at Apex and Dunn, N.C., connecting respectively with the main line of the Seaboard and the Atlantic Coast Line railways.
The whole of the foregoing reasonings are applicable, not merely when A and B are actual regular cones, but also when they are the osculating regular cones of a pair of irregular conical surfaces, having a common apex at 0.
That for a pair of turning pieces with intersecting axes the line of contact is also straight, and traverses the~ point of intersection of the axes; and hence that the rolling surfaces are conical, with a common apex (the term conical including all surfaces generated by the motion of a straight line which traverses a fixed point).
97 and g8).Let 0 be the apex orpoint of intersection of the two axes OC1, 0C2.
The pitch-circles of a pair of circular toothed wheels are sections of their pitch-surfaces, made for spur-wheels (that is, for wheels whose axes are parallel) by a plane at right angles to the axes, and for bevel wheels by a sphere described about the common apex.
Teeth of Bevel- Wheels.The acting surfaces of the teeth of bevel-wheels are of the conical kind, generated by the motion of a line passing through the common apex of the pitch-cones, while its extremity is carried round the outlines of the cross section of the teeth made by a sphere described about that apex.
The operations of describing the exact figures of the teeth of bevelwheels, whether by involutes or by rolling curves, are in every respect analogous to those for describing the figures of the teeth of spur-wheels, except that in the case of bevel-wheels all those operations are to be performed on the surface of a sphere described about the apex instead of on a plane, substituting poles for centres, and o B2
The ventral side of the body in the atrial region is broad and convex, so that the body presents the appearance of a spherical triangle in transverse section, the apex being formed by the dorsal fin and the angles bordered by two hollow folds, the metapleural folds, each of which contains a continuous longitudinal lymph-space, the metapleural canal.
i, Mn.; 4), with toothed apex and sub-apical grinding surface, like those of certain Crustacea; by the presence between the mandibles and maxillae of a pair of appendages (superlinguae or maxil ' x lulae), fig.
On the plateau parts of the ancient fortifications are still visible, including the wall between town and Acropolis near the southern apex.
The characteristic dress of the flamens in general was the apex, a white conical cap, the laena or mantle, and a laurel wreath.
Agave americana, century plant, was introduced into Europe about the middle of the 16th century and is now widely cultivated for its handsome appearance; in the variegated forms the leaf has a white or yellow marginal or central stripe from base to apex.
7rLru), a name given by the ancients to some of the resinous cone-bearing trees to which it is now applied, and, as limited by modern botanists, the designation of a large genus of true conifers, differing from the firs in their hard woody cone-scales being thickened at the apex, and in their slender needle - shaped leaves growing from a membranous sheath, either in pairs or from three to five together - each tuft representing an abortive branch, springing from the axil of a partially deciduous scale-leaf, the base of which remains closely adherent to the stem.
long, of a light shining brown hue, with thick scales terminating in a pyramidal apex; they are arranged around the branches in the radiating clusters that give name to the tree.
long; in the earlier stages of growth it has a pyramidal form, in open glades the lower boughs often touching the ground, but in old age it acquires a wide almost cedar-like top. The light bluish-green foliage is somewhat lax, very dense in young trees; the cones are long and rather curved, with thin smooth scales a little thickened at the apex, and generally more or less covered with exuding white resin; they are about 5 or 6 in.
The principal article of export is silk, which is produced in the district forming the river delta, extending from Canton to Macao and having its apex at San-shui Hien.
In the upper chamber, about half-way between the centre of the base and the apex, was a single skeleton, adorned with beads, copper bracelets and plates of mica; in the lower chamber, directly under the upper and partly in the natural earth, were two skeletons, one adorned with beads and the other without ornament.
The fact that every bacterial cell in a species in most cases appears equally capable of performing all the physiological functions of the species has led most authorities, however, to regard it as the individual - a view which cannot be consistent in those cases where a simple or branched filamentous series exhibits differences between free apex and fixed base and so forth.
At the apex of the Serbian salient the Bulgarians had obtained a firm hold on Car Vrh.
At the apex of the rhopalium the endoderm is greatly thickened and consists of concrementcells secreting otoliths (Con).
The ephyra has a flat, disk-shaped body, with eight marginal lobes (four perradial, four interradial); a tentaculocyst is lodged in a deep notch at the apex of each lobe.
West Cowes is separated from East Cowes by the picturesque estuary of the river Medina, the two towns (each of which is an urban district) lying on opposite sides of its mouth at the apex of the northern coast of the island.
He, in fact, endeavours to prove that a bird wedges itself forward upon the air by the perpendicular vibration of its wings, the wings during their action forming a wedge, the base of which (c b e) is directed towards the head of the bird, the apex (a f) being directed towards the tail (d).
r) is also a striking example of " definite " growth; it is much branched, the short, thick, curved branches being given off below the apex of the older ones and at right angles to them, the whole forming a series of connected arched axes, truncate at their ends, which were formerly continued into leafy culms. The rhizome is always solid, and has the usual internal structure of the monocotyledonous stem.
It is closed except at the apex, and contains the female spikelet, the stalks of the male inflorescence and the long styles emerging through the small apical orifice.
The germ-sheath grows vertically upwards, its stiff apex pushing through the soil, while the plumule is hidden in its hollow interior.
along the line of 9° N., and resembles in shape a triangle with its apex to the north.
Dioecious; flowers in the form of cones, except the female flowers of Cycas, which consist of a rosette of leaf-like carpels at the apex of the stem.
In Cycas the stem apex, after producing a cluster of carpellary leaves, continues to elongate and produces more budscales, which are afterwards pushed aside as a fresh crown of fronds is developed.
spinous processes on the apex of the carpels.
The sporangia (pollen-sacs), which occur on the under-side of the stamens, are often arranged in more or less definite groups or sori, interspersed with hairs (paraphyses); dehiscence takes place along a line marked out by the occurrence of smaller and thinner-walled cells bounded by larger and thickerwalled elements, which form a fairly prominent cap-like " annulus " near the apex of the sporangium, not unlike the annulus characteristic of the Schizaeaceae among ferns.
After the body of a spermatozoid has coalesced with the egg-nucleus the latter divides repeatedly and forms a mass of tissue which grows more vigorously in the lower part of the fertilized ovum, and extends upwards towards the apex of the ovum as a peripheral layer of parenchyma surrounding a central space.
In the ripe seed the integument assumes the form of a fleshy envelope, succeeded internally by a hard woody shell, internal to which is a thin papery membrane - the apical portion of the nucellus - which is easily dissected out as a conical cap covering the apex of the endosperm.
In addition to these cauline (fi rstcell).(After strands (confined to the stem and not connected Webber.) with the leaves), collateral bundles are often met with in the pith, which form the vascular supply of terminal flowers borne at intervals on the apex of the stem.
The foliageleaves occur either scattered on long shoots of unlimited growth, or at the apex of short shoots (spurs), which may eventually elongate into long shoots.
The endosperm detached from a large Ginkgo ovule after fertilization bears a close resemblance to that of a cycad; the apex is occupied by a depression, on the floor of which two small holes mark the position of the archegonia, and the outgrowth from the megaspore apex projects from the centre as a short peg.
Close to the apex of a shoot the vascular bundles of a leaf make their appearance as double strands, and the leaf-traces in the upper part of a shoot have the form of distinct bundles, which in the older part of the shoot form a continuous ring.
Apex of Ovule, and Pollen-grain.
The dying off of older branches and the vigorous growth of shoots nearer the apex of the stem produce a form of tree illustrated by the stone pine of the Mediterranean region (Pinus Pinea), which Turner has rendered familiar in his " Childe Harold's Pilgrimage " and other pictures of Italian scenery.
In Pinus the needles occur in pairs, or in clusters of 3 or 5 at the apex of a small and inconspicuous short shoot of limited growth (spur), which is enclosed at its base by a few scale-leaves, and borne on a branch of unlimited growth in the axil of a scale-leaf.
Finally in the yew, as a type of the family Taxeae, the ovules occur singly at the apex of a lateral branch, enclosed when ripe by a conspicuous red or yellow fleshy arillus, which serves as an attraction to animals, and thus aids in the dispersal of the seeds.
The latter ultimately divides in the apex of the pollen-tube into two non-motile generative cells.
The tissue at the apex of the megaspore grows slightly above the level of the archegonia, so that the latter come to lie in a shallow depression.
In the process of fertilization the two male generative nuclei, accompanied by the pollen-tube nucleus and that of the stalk-cell, pass through an open pit at the apex of the pollen-tube into the protoplasm of the ovum.
The flower may be described as a bud bearing a pair of leaves which become fused and constitute a perianth, the apex of the shoot forming an ovule.
A male flower consists of a single angular perianth, through the open apex of which the flower-axis projects as a slender column terminating in two anthers.
The whole flower may be looked upon as an adventitious bud bearing two pairs of leaves; each pair becomes concrescent and forms a perianth, the apex of the shoot being converted into an orthotropous ovule.
The integument of the sterile ovule is prolonged above the nucellus as a spirally-twisted tube expanded at its apex into a flat stigma-like organ.
The division of the archipelago to the south of Beagle Channel includes the islands of Hoste, Navarin, Gordon, Londonderry, Stewart, Wollaston and numerous islets, disposed in triangular form with the base on Beagle Channel and the apex at the rocky headland of Cape Horn.
The sun's proper motion among the stars has been sought in the past as the assumption that the universe of stars showed as a whole no definite displacement of its parts, and, on this assumption, different methods of reduction which attributed apparent relative displacement of parts to real relative displacement of the sun agreed fairly well in concluding that the " apex of the sun's way " was directed to a point in right ascension 275°, declination 37° (F.
A noteworthy palm of the eastern Andean slopes is the "corneto" (Deckeria), whose tall, slender trunk starts from the apex of a number of aerial roots, rising like a cone 6 to 8 ft.
This sicula, which had originally the shape of a hollow cone, is formed of two portions or regions - an upper and smaller (apical or embryonic) portion, marked by delicate longitudinal lines, and having a fine tabular thread (the nema) proceeding from its apex; and a lower (thecal or apertural) portion, marked by transverse lines of growth and widening in the direction of the mouth, the lip or apertural margin of which forms the broad end of the sicula.
This theca grows in the direction of the apex of the sicula, to which it adheres by its dorsal wall.
developed; it remains permanently attached to the dorsal wall of the polypary, of which it forms the proximal end, its apex rarely reaching beyond the third or fourth theca.
The leaves are usually articulated at the base, spreading, sharp-pointed and needle-like in form, destitute of oil-glands, and arranged in alternating whorls of three; but in some the leaves are minute and scale-like, closely adhering to the branches, the apex only being free, and furnished with an oil-gland on the back.
The female flower is a small bud-like cone situated at the apex of a small branch, and consists of two or three whorls of two or three scales.
A more generally accepted view - especially among palaeontologists - is the tritubercular theory, according to which the most generalized type of tooth consists of three cusps arranged in a triangle, with the apex pointing inwards in the teeth of the upper jaw.
Among the common characters may be noted the possession of: (i) pectoral mammae; (2) abdominal testes; (3) a bifid apex of the heart; (4) bilophodont molars with a tendency to the formation of an additional lobe from the posterior part of the cingulum.
ATTICA, a district of ancient Greece, triangular in shape, projecting in a south-easterly direction into the Aegean Sea, the base line being formed by the continuous chain of Mounts Cithaeron and Parnes, the apex by the promontory of Sunium.
The outer glumes are acute and glabrous, the flowering glumes lance-shaped, with a comb-like keel at the back, and the outer or lower one prolonged at the apex into a very long bristly awn.
The early segmentation of the embryo differs in the several groups, but usually the first leaf or leaves, the apex of the stem and the first root are differentiated early, while a special absorbent organ (the foot) maintains for some time the physiological connexion between the sporophyte and the prothallus.
The half of the embryo directed towards the archegonial neck gives rise to the apex of the stem and a sheath of three leaves, the, other half to the small foot and the primary root.
Vegetative reproduction is effected in various ways: by the separation of the branches of a creeping stem in some Lycopodia, the persistence through the winter of the apex of the shoot in L.
cernuum and other forms with superficial green prothalli is attached to the prothallus by a small foot, and develops at first as a tuberous body (the protocorm) bearing rhizoids; this forms a number of simple leaves, and upon it the apex of the shoot arises later.
After fertilization the embryo forms a short suspensor; the apex of the stem, with a leaf on each side of it, is first distinguishable; at the base of this is the foot; while the root arises on the farther side of the latter.
The sporangium is of considerable size, and dehisces by a median slit, the annulus being a more or less definitely limited horizontal ring of cells near the apex.
It is not true that all the biting processes of the Arthropod limb are thus produced - for instance, the jaws of Peripatus are formed by the axis or corm itself, whilst the poisonjaws of Chilopods, as also their maxillae, appear to be formed rather by the apex or terminal region of the ramus of the limb; but the opposing jaws (= hemignaths) of Crustacea, Arachnida and Hexapoda are gnathobases, and not the axis or corm.
The ovary adheres firmly to the seed in the interior, so that on examining a longitudinal section of the grain by the microscope the outer layer is seen to consist of epidermal cells, of which the uppermost are prolonged into short hairs to cover the apex of the grain.
The apex of the sun's way was fixed by Professor.
Excavations carried on in 1910 showed that the town of the "Mycenean" period which lay on the left bank of the Eurotas a little to the south-east of Sparta was roughly triangular in shape, with its apex towards the north: its area is approximately equal to that of Sparta, but denudation and destruction have wrought havoc with its buildings and nothing is left save ruined foundations and broken potsherds.
Moreover, the English territory, a great triangle, with the Channel for base and Paris for apex, was not a really solid position.
3), by which what should properly be the apex is carried deeply into the interior of the crown, forming a pit, the bottom of which becomes partially filled with cement.
It consists of a compressed intermolar portion with a flat upper surface, broad behind and becoming narrower in front, and of a depressed anterior part rather shorter than the former, which is narrow behind and widens towards the evenly rounded apex.
It lies with its base near the lower part of the abdomen, and its apex directed towards the thorax.
The Spigelian lobe is represented by a flat surface between the postal fissure and the posterior border, not distinctly marked off from the left lateral by a fissure of the ductus venosus, as this vessel is buried deep in the hepatic substance, but the caudate lobe is distinct and tongue-shaped, its free apex reaching nearly to the border of the right lateral lobe.
Since all conics derived from a circular cone appear circular when viewed from the apex, they conceived the treatment of the conic sections as projections of a circle.
A flower-bud has not in ordinary circumstances any power of extension by the continuous development of its apex.
Axis prolonged, bearing an imperfect flower at its apex.
The floral axis sometimes appears as if formed by several peduncles united together, constituting a fasciated axis, as in the cockscomb, in which the flowers form a peculiar crest at the apex of the flattened peduncles.
The peduncle occasionally becomes abortive, and in place of bearing a flower, is transformed into a tendril; at other times it is hollowed at the apex, so as apparently to form the lower part of the outer whorl of floral leaves as in Eschscholtzia.
The expansion of the flowers is thus centripetal, that is, from base to apex, or from circumference to centre.
The expansion of the flowers is in this case centrifugal, that is, from apex to base, or from centre to circumference.
26, o), which is the lower portion enclosing the ovules destined to become seeds, and the stigma (g), a portion of loose cellular tissue, the receptive surface on which the pollen is deposited, which is either sessile on the apex of the ovary, as in the poppy, or is separated from it by a prolonged portion called the style (s) .
In Scrophularia the fifth stamen appears as a scale-like body; in other Scrophulariaceae, as in Pentstemon, it assumes the form of a filament, with hairs at its apex in place of an anther.
In a gamosepalous calyx the sepals are united in various ways, sometimes very slightly, and their number is marked by the divisions at the apex.
The receptacle bearing the calyx is sometimes united to the pistil, and enlarges so as to form a part of the fruit, as in the apple, pear, &c. In these fruits the withered calyx is seen at the apex.
The median vein is occasionally prolonged beyond the summit of the petals in the form of a long process, as in Strophanthus hispidus, where it extends for 7 in.; or the prolonged extremity is folded downwards or inflexed, as in Umbelliferae, so that the apex approaches the base.
This union generally takes place at the base, and extends more or less towards the apex; in Phyteuma the petals are united at their apices also.
The number of divisions at the apex indicates the number of united petals, some of which, however, may be FIG.
75), where each lobe opens by a valve on the outer side of the suture, separately rolling up from base to apex; in some of the laurel tribe there are two such valves for each lobe, or four in all.
In Scrophularia the fifth stamen appears in the form of a scale; and in many Pentstemons it is reduced to a filament with hairs or a shrivelled membrane at the apex.
- Stamen of a species of Nightshade (Solanum), showing the divergence of the anther-lobes at the base, and the dehiscence by pores at the apex.
The pistil or gynoecium occupies the centre or apex of the flower, and is surrounded by the stamens and floral envelopes when these are present.
In all these cases the style still indicates the organic apex of the ovary, although it may not be the apparent apex.
The carpellary leaves are sometimes united in such a way as to leave an opening at the apex of the pistil, so that the ovules are exposed, as in mignonette.
The part by which the ovule is attached to the placenta or cord is its base or hilum, the opposite extremity being its apex.
- Orthotropous ovule of Polygonum in section, showing the embryo-sac s, in the nucellus n, the different ovular coverings, the base of the nucellus or chalaza ch, and the apex of the ovule with its micropyle m.
106, o), which gradually extends over that first formed, and ultimately covers it completely, except at the apex.
The integuments do not completely invest the apex of the nucellus, but an opening termed the micropyle is left.
The micropyle indicates the organic apex of the ovule.
This embryo-sac increases in size, gradually supplanting the cellular tissue of the nucellus until it is surrounded only by a thin layer of it; or it may actually extend at the apex beyond it, as in Phaseolus and Alsine media; or it may pass into the micropyle, as in Santalum.
I I 1) is the commonest form amongst angiosperms. In this ovule the apex with the micropyle is turned towards the point of attachment of the funicle to the placenta, the chalaza being situated at the opposite extremity; and the funicle, which runs along the side usually next the placenta, coalesces with the ovule and constitutes the raphe (r), which often forms a ridge.
When there is a single ovule, with its axis vertical, it may be attached to the placenta at the base of the ovary (basal placenta), and is then erect, as in Polygonaceae and Compositae; or it may be inserted a little above the base, on a parietal placenta, with its apex upwards, and then is ascending, as in Parietaria.
It may hang from an apicilar placenta at the summit of the ovary, its apex being directed downwards, and is inverted or pendulous, as in Hippuris vulgaris; or from a parietal placenta near the summit, and then is suspended, as in Daphne Mezereum, Polygalaceae and Euphorbiaceae.
Ultimately the apex of the tube comes in contact with the tip of the embryo-sac and perforates it.
- A, Male catkin in longitudinal section: a, axis; b, bracts; c, d, filaments of stamens, bearing the pollen-sacs (e and f) at the top; v, apex of axis.
Some of the stamens are inserted between the bracts, in an apparently axillary position, while others are grouped about the apex of the axis.
Similarly, the genus Sagenopteris, characterized by a habit like that of Marsilia, and represented by fronds consisting of a few spreading broadly oval or narrow segments, with anastomosing veins, borne on the apex of a common petiole, is abundant in rocks ranging from the Rhaetic to the Wealden, but has not so far been satisfactorily placed.
15, 4 and 7), as investigated in English, French, Italian, and American specimens, may be briefly described as a short lateral shoot or peduncle, arising in a leaf-axil and terminating in a bluntly rounded apex, bearing numerous linear bracts enclosing a central group of appendages, some of which consist of slender pedicels traversed by a vascular strand and bearing a single terminal ovule enclosed in an integument, which forms a distal canal or micropyle.
In Bennettites the ovules are left exposed at the apex, but they are by no means so distinctly gymnospermous as.
On some of the American stems flowers have been found, borne at the apex of lateral shoots,.
7, Bennettites, female flower in longitudinal section; f, apex of peduncle; g, bracts (shown in surface view in 4); h, seeds and seminiferous pedicels; i, interseminal scales.
The rooms are covered by acutely pointed vaults, the stones forming the sides of the vault being bevelled to the angle, and the apex being covered by capstones covering spaces of one to two feet.
Above this the comb is divided into nine sections rising by large steps to the apex, each pierced by 30 or more openings, like an immense dovecote.
It is a low-lying broad bank of shingle, forming the seaward apex of the great level of the Romney Marshes.
Travel should normally be second class rail fare or economy apex airfare.
apex of gable a stone plaque with S: T D 1650.
apex of the triangle.
apex of the pyramid.
apex of nave roof up to middle of second stage, with slit window just above.
apex of the interior arch.
South: The apex of both cones point downwards East: The apex of both cones point downwards East: The apex of the two cones point away from each other.
With Richard Wagner, opera reached the apex of German Romanticism.
This represented the apex of his musical endeavors thus far - here was sonic architecture of the highest caliber.
They looked across the northern apex of Victoria Park (fn.
apex predator of the South African seas.
apex roof garages, the guttering should be fixed along the garage side.
apex ceiling with dark beams and trusses.
apex organization will also be thin.
Business of the apex body The apex body The apex body in the early stages met twice a month.
apex angle of 90 degrees the mast height H would be over 14m.
The access to the the roost is usually at or near the gable apex or the lower eaves.
East wall: nave apex to just below belfry window.
West wall: small modern wooden window just below roof apex, stone sill, leaded light.
Only one cotyledon attached to the shoot apex is sufficient to ensure continued growth without adding nutrients to the medium.
Take care not to rotate the root apex into the nasal cavity.
atrium contracts, the mitral valve moves toward the apex.
The carapace is usually beige with a distinctive black triangle with the apex pointing toward the abdomen and the base toward the pedipalps.
bipartite windows sit above, below the apex of the main block.
cauldronthe hearth hangs an iron caldron on a long chain, suspended from beams near the apex of the roof.
With a marriage of voice and symphony unlike any other, most critics consider this work the apex of sacred choral and orchestral music.
cotta tiles in apex of gables.
At apex of roof the base of small domed octagonal cupola (now gone, 1983 ).
despicable in the extreme, it is Carr who is becoming the apex of public loathing.
apical dominance: The inhibition of growth in axillary buds by auxins produced in the growing shoot apex.
electron microscopy, a conical tip with a flat emitting surface at the apex has proven to be the optimum design.
Rome was the apex of a pyramid called feudalism.
gable apex or the lower eaves.
glitz factor is at its apex as sparkle continues bone bead s to rule!
Apex's true test comes in the New Year when traditionally corporate projects slow down and the normal holiday hangover develop.
kerbm to apex 2/3 of the way along the inside curb, then let the kart run to the extreme right of the track.
They are deeply lobed with a long spine at the apex of each lobe.
magnifyent of apex greatly magnified, here reduced to one-fourth of original scale.
Palpate the apex of the root by following the root juga (lateral canine eminence) from the gingival margin.
For electron microscopy, a conical tip with a flat emitting surface at the apex has proven to be the optimum design.
mitrethe apex of a ridge the counter battens should finish with a vertical miter cut.
nave roof apex.
Flower: From the apex, medium sized to quite small, the wall thick, flower remains persistent.
Sitting on top of this web is the great white shark, unchallenged apex predator of the South African seas.
professionals at the apex of their field.
With Richard Wagner, opera reached the apex of german romanticism.
East wall: apex of nave roof up to middle of second stage, with slit window just above.
East wall: visible only above the nave roofline, the apex of which reaches almost to the timber belfry.
The parapet at the apex carries an inscribed slab stating ' The Reverend John Adams Minister 1732 ' .
Apex somewhat sunken, more or less covered by the wool and spines from youngest areoles, however hardly completly enclosed.
Lower canines cross the floor of the oral cavity, from buccal to medial, with the apex located at the caudal mandibular symphysis.
terra cotta tiles in apex of gables.
Our Kurdish translators are at the apex of their industry and strive for customer satisfaction.
wagtail perches on the apex of the roof across the road.
The velocity of rotation of the micrometer-screw could therefore be varied for stars of different declination by varying the distance from the apex at which the revolving disk presses upon the revolving cone.
Some shoots are sterile while others are fertile, bearing at the apex the so-called fructification - a dense oval, oblong conical or cylindrical spike, consisting of a number of shortly-stalked peltate scales, each of which has attached to its under surface a circle of spore-cases (sporangia) which open by a longitudinal slit on their inner side.
The bridge is provided with two adjustments: - (i) a variable " apex,' having several turns of the winding between each stud to permit of the arms being thrown slightly out of balance as a rough compensation for the differences in the cable and artificial line; and (2) an additional " fine " adjustment in one of the arms by which the small daily balance variations may be corrected.
The ectodermal ingrowth is the entocodon (Gc.); it bulges into, and pushes down, the endoderm at the apex of the bud, and if solid it soon acquires a cavity (fig.
As new cells are continually formed in the merismatic mass those which are farthest from the apex gradually cease to divide and a different process of growth takes place in them, which is associated more particularly with the formation of the vacuoles, consequent upon the establishment of coniiderable hydrostatic pressure in them, thus causing the bulk of the cells to be greatly enlarged.
.;.:~~: cilia are grouped along .~ the cytoplasmic anterior D portion of the spiral In Zamia (fig 4 A), Cycas and Ginkgo they consist of large spherical or oval cells with a coiled band of cilia at one end, and ~ ~ a large nucleus which nearly fills the cell They are carried by the pollen tube to the apex of the prothallus, where they are extruded, and by means of their ciba swim through a small quantity .D of liquid, contained in a slight depression to the oosphere.
ACROGENAE (" growing at the apex"), an obsolete botanical term, originally applied to the higher Cryptogams (mosses and ferns), which were erroneously distinguished from the lower (Algae and Fungi) by apical growth of the stem.
Turning, therefore, to a globe, Asia, viewed as a whole, will be seen to have the form of a great isosceles spherical triangle, having its north-eastern apex at East Cape (Vostochnyi), in Bering Strait; its two equal sides, in length about a quadrant of the sphere, or 6500 m., extending on the west to the southern point of Arabia, and on the east to the extremity of the Malay peninsula; and the base between these points occupying about 60Ã‚° of a great circle, or 4 500 m., and being deeply indented by the Arabian Sea and the Bay of Bengal on either side of the Indian peninsula.
The mandibles of the Hexapoda are usually strong jaws with one or more teeth at the apex (fig.
67 c, select that in which the letters X and Y are so placed that (naming the apex of the triangle E) the lines XE and YE are the lines parallel to the two members of the same name in the frame (fig.
The spermogonia open by a small pore at the apex, to wards which the sterig- ca mata converge and through which the sper matia escape (fig.
some rhizoid branches, and above shows already rthoniae), and the structure of the apex of the thallus (see A often very variable fig.
usually dilated and coloured at the apex; the apices are usually cemented together into a definite layer, the epithecium (fig.
In an ordinary leaf, as that of the elm, there is observed a large central vein running from the base to the apex of the leaf, this is the midrib (fig.
In the leaves of some plants there exists a midrib with large veins running nearly parallel to it from the base to the apex of the lamina, as in grasses (fig.
The apex also varies considerably, being rounded, or obtuse, sharp or acute (fig.
The leaf taken individually is either folded longitudinally from apex to base, as in the tulip-tree, and called reclinate or replicate; or rolled up in a circular manner from apex to base, as in ferns (fig.
The Peninsula in its general contour resembles an inverted pyramid or triangle, terminating at its apex in a subsidiary peninsula, the Peloponnesus or Morea.
per second towards the apex A= 18 h 5 m, D = +26Ã‚°.
The speed is very nearly four radii of the earth's orbit per year; thus the annual parallactic motion is equal to four times the parallax, for a star lying in a direction 90Ã‚° from the solar apex; for stars nearer the apex or antapex it is foreshortened.
These two points may be called the apices of the two drifts, for they are analogues of the solar apex on the one-drift theory; they are about 110Ã‚° apart.
Kobold, using a peculiar and ingenious method, found for it a declination - 3Ã‚°, which disagrees very badly with all other determinations; but it is a peculiarity of Kobold's method that it gives the line of symmetry of motion, which joins the apex and antapex, without indicating which end is the apex.
originally by Tredgold, is generally used LetO(fig.io6)bethecommon apex of a pair of bevel-wheels; OBiT, OB2I their pitch cones; FIG.
Three must be considered: (I) the scutellum, connected by vascular tissue with the vascular cylinder of the main axis of the embryo which it more or less envelops; it never leaves the seed, serving merely to prepare and absorb the food-stuff in the endosperm; (2) the cellular outgrowth of the axis, the epiblast, small and inconspicuous as in wheat, or larger as in Stipa; (3) the pileole or germ-sheath, arising on the same side of the axis and above the scutellum, enveloping the plumule in the seed and appearing above ground as a generally colourless sheath from the apex of which the plumule ultimately breaks (fig.
along the line of 9Ã‚° N., and resembles in shape a triangle with its apex to the north.
The ordinary type of female flower has the form of a long, naked peduncle a ' -Ã‚°' ` bearing a single ovule on "i, rll?li either side of the apex (fig.
A large pollen-chamber occupies the apex of the nucellus; immediately below this, two or more archegonia (fig.
The megaspore (embryo-sac) continues to grow after pollination until the greater part of the nucellus is gradually destroyed; it also gives rise to a vertical outgrowth, which projects from the apex of the megaspore as a short, thick column (fig.
Lotsy has described the occurrence of special cells at the apex of the prothallus of Gnetum Gnemon,which he regards as imperfect archegonia (fig.
Gazette, xlvi., 1908, regards this tissue as belonging to the nucellus.) At the time of pollination the long tubular integument secretes a drop of fluid at its apex, which holds the pollen-grains, brought by the wind, or possibly to some extent by insect agency, and by evaporation these are drawn on to the top of the nucellus, where partial disorganization of the cells has given rise to an irregular pollen-chamber (fig.
The sun's proper motion among the stars has been sought in the past as the assumption that the universe of stars showed as a whole no definite displacement of its parts, and, on this assumption, different methods of reduction which attributed apparent relative displacement of parts to real relative displacement of the sun agreed fairly well in concluding that the " apex of the sun's way " was directed to a point in right ascension 275Ã‚°, declination 37Ã‚° (F.
apex turned towards the north-east, as Africa and America have theirs pointing southward, rose in the middle of what now constitutes Asia.
In other cases, the apex of the growing point ceases to develop, and the parts below form a cup around it, from the rim of which the outer members of the flower are developed around (peri-) the carpels, which are formed from the apex of the growing-point at the bottom of the cup. This arrangement is known as perigynous (fig.
60); infundibuliform or funnel-shaped, when the tube is like an inverted cone, and the limb becomes more expanded at the apex, as in tobacco; hypocrateriform or salver-shaped, when there is a straight tube surmounted by a flat spreading limb, as in primula (fig.
When a tubular corolla is split in such a way as to form a strap-like process on one side with several tooth-like projections at its apex, it becomes ligulate or strap-shaped (fig.
In other instances the opening is confined to the base or apex, each loculament opening by a single pore, as in Pyrola, Tetratheca juncea, Rhododendron, Vaccinium and Solanum (fig.
In some Guttiferae, as Hebradendron cambogioides (the Ceylon gamboge plant), the anther opens by a lid separating from the apex (circumscissile dehiscence) .
When the margin of the receptacle is prolonged upwards, carrying with it the floral envelopes and stamina' leaves, the basal portion of the ovary being formed by the receptacle, and the carpellary leaves alone closing in the apex, the ovary is inferior, as in pomegranate, aralia (fig.
The stigma presents various forms. It may be globular, as in Mirabilis Jalapa; orbicular, as in Arbutus Andrachne; umbrella-like, as in Sarracenia, where, however, the proper stigmatic surface is beneath the angles of the large expansion of the apex of the style; ovoid, as in fuchsia; hemispherical; polyhedral; radiating, as in the poppy (fig.
Sometimes the micropyle lies close to the base of the style, and then the pollentube enters it at once, but frequently it has to pass some distance into the ovary, being guided in its direction by various contrivances, as hairs, grooves, &c. In gymnosperms the pollen-grain resting on the apex of the nucellus sends out its pollen-tubes, which at once penetrate the nucellus (fig.
In the apex of the nucellus, as in most Palaeozoic seeds and in recent Cycads, a pollen-chamber, for the reception of the pollen-grains or microspores, is excavated (fig.
A PIED WAGTAIL perches on the apex of the roof across the road.
Seventy members spare two days in a month toward the management of apex body and Zonal cluster.
The tubers are about 2 inches long, broadest at the root end and tapering to the apex.
In C. minor the flower-stems arch over, so that at the apex of the stem the delicate yellow tube-shaped bloom is hidden by the pale green leaves.
The unbranched flower-stalk is about 1 foot high, and bears at its apex a single violet-purple blossom, 2 to 3 inches in diameter.
Kniphofia Burchelli - Introduced by Mr Burchell from the Cape, is a distinct and beautiful plant with a purple-spotted stem and bright green leaves, firm in texture, 2 to 3 feet long, which taper gradually to the apex.
For most of the gamers I know, Final Fantasy 7 is the apex of RPGs, with a magical Science Fiction appeal.
Use the Apex driving technique to take sharp turns (Apex has you coming wide into a turn and cutting in so you exit the turn on the inside portion of the turn).As far as your opponents, they are flawless.
Some toys in the line include Speedster Race Car, Apex Helicopter, Torch Firetruck, and Journey Space Shuttle.
This sensation may have hit its apex with a Snuggie fashion show, held during New York's 2009 Fashion Week.
The United States Government Food Pyramid attempts to provide a visual diagram of healthy foods by placing very healthy foods on the large bottom of the pyramid and 'eat in moderation or infrequently' types of foods at the apex.
"To ensure the perfect fit, one needs to be measured in three places: underneath your rib cage, at the apex of your bust, and underneath your arms above your breasts," Weiner says.
It is important to apply several thin layers to build up the strength and create an apex.
In many of the Fungi the non-motile male cell or nucleus is carried by means of a fertilizing tube actually into the interior of the egg-cell, and is extruded through the apex in close proximity to the egg nucleus.
Setting A for the right ascension, D for the declination of the apex, these are: L.
per second towards the apex A= 18 h 5 m, D = +26°.
" " Paulus Romae, apex Evangelii.
Turning, therefore, to a globe, Asia, viewed as a whole, will be seen to have the form of a great isosceles spherical triangle, having its north-eastern apex at East Cape (Vostochnyi), in Bering Strait; its two equal sides, in length about a quadrant of the sphere, or 6500 m., extending on the west to the southern point of Arabia, and on the east to the extremity of the Malay peninsula; and the base between these points occupying about 60° of a great circle, or 4 500 m., and being deeply indented by the Arabian Sea and the Bay of Bengal on either side of the Indian peninsula.
In a dextral Gastropod the shell is coiled in a right-handed spiral from apex to mouth, and the spiral also projects to the right of the median plane of the animal.
D, E, A similar simple introvert in course of eversion by the forward movement, not of its sides, but of its apex, as in the proboscidean Rhabdocoels =acrecbolic.
Its superficial extent is seen when the folds covering the shell are cut away and the shell removed; the external surface forms a triangle with its base bordering the pericardium, and its apex directed posteriorly and reaching to the lefthand posterior corner of the shell-chamber.
gonosome, free medusae or gonoThe apex of the stomach is prophores.
The gonosome consists of free medusae in Milleporidae, which are budded from the apex of a dactylozoid in Millepora murrayi, but in other species from the coenosarcal canals.
As a result of this extension of the umbrellar margin, all structures belonging to this region, namely, the ring-canal, the nerve-rings, and the rim of thickened ectoderm, do not run an even course, but are thrown into festoons, caught up under the insertion of each tentacle in such a way that the ring-canal and its accompaniments form in each notch of the umbrellar margin an inverted V, the apex of which corresponds to the insertion of the tentacle; in some cases the limbs of the V may run for some distance parallel to one another, and may be fused into one, giving a figure better compared to an inverted Y.
In the Fucaceae, on the other hand, there is a single prismatic apical cell situated at the bottom of a groove at the growing apex of the thallus, which cuts off cells from its sides to add to the peripheral, and from its base to add to the central permanent cells.
At the apex of a root, covering and protecting th~ delicate tissue of the growing point, is a special root-cap consistinf of a number of layers of tissue whose cells break down into mucilagi towards the outer surface, thus facilitating the passage of the ape~ as it is pushed between the particles of soil.
The periblem, one cell thick at the apex, produces the cortex, to which the piliferous layer belongs in Monocotyledons; and the plerome, which is nearly always sharply separated from the periblem, gives rise to the vascular cylinder.
They then gradually lose the power of growth, the oldest ones or those facthest from the apex parting with it first, and they pass gradually over into the condition of the permanent tissues.
The growing apex of such a stem will alternately incline, first to one side and then to the other, exhibiting a kind of nodding movement in the two directions.
It is clear that, if we start from the condition of full eversion of the tube and watch the process of introversion, we shall find that the pleurecbolic variety is introverted by the apex of the tube sinking inwards; it may be called acrembolic, whilst conversely the acrecbolic tubes are pleurembolic. Further, it is obvious enough that the process either of introversion or of eversion of the tube may be arrested at any point, by the development of fibres connecting the wall of the introverted tube with the wall of the body, or with an axial structure such as the oesophagus; on the other hand, the range of movement of the tubular introvert may be unlimited or complete.
The short straight or curved process from the back of the pitcher behind the lid represents the organic apex of the leaf (A in fig.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.