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malpighian

malpighian Sentence Examples

  • The larvae of this parasite develop in the Malpighian tubules of the insect; at a certain stage they cast their cuticle and make their way into the space - part of the haemocoel - found in the labium.

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  • The excretory (malpighian) tubes are few in number, either four or six.

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  • Lameere's classification is founded on the number of abdominal sterna, the nervuration of the wings, the number of malpighian tubules (whether four or six) and other structural characters.

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  • There are four malpighian tubules.

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  • There are four malpighian tubes, and all five tarsal segments are usually recognizable.

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  • They may be distinguished from the Malacodermata by the presence of only five or six abdominal sterna, while six malpighian tubes are present in some of the families.

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  • - This is an important tribe of beetles, including families with four malpighian tubes and only five or six abdominal sterna, while in the thorax there is a backwardly directed process of the prosternum that fits into a mesosternal cavity.

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  • There are either four or six malpighian tubes.

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  • There are four malpighian tubes.

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  • - The families of beetles included by Kolbe in this group are distinguished by the possession of six malpighian tubes, and a great reduction in one or two of the tarsal segments, so that there seem to be only four or three segments in each foot; hence the names Tetramera and Trimera formerly applied to them.

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  • There are six malpighian tubes.

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  • The possession of a variable number of excretory tubes (Malpighian tubes), which are developed as outgrowths of the hind-gut and pour their excretion into the intestine,is also a distinctive character of the Hexapoda.

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  • - Nitrogenous waste-matter is removed from the body by the Malpighian tubes which open into the food-canal, usually where the hind-gut joins the stomach.

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  • When the worn-out cells are broken down, the urates are carried dissolved in the blood to the Malpighian tubes for excretion.

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  • Brauer in his arrangement of these orders laid special stress on the nature of the metamorphosis, and was the first to draw attention to the number of Malpighian tubes as of importance in classification.

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  • Numerous (30 or more) Malpighian tubes.

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  • Malpighian tubes numerous (100-150).

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  • Numerous (50-60) Malpighian tubes.

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  • Six or eight Malpighian tubes.

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  • Four Malpighian tubes.

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  • Malpighian tubes numerous (40).

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  • Malpighian tubes numerous (50-60).

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  • Four or six Malpighian tubes.

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  • Six Malpighian tubes.

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  • Four (rarely 6 or 8) Malpighian tubes.

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  • Numerous (20-150) Malpighian tubes (in rare cases, 6-12 only).

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  • But the vestigial jaws, numerous Malpighian tubes, and specialized wings of may-flies forbid us to consider the order as on the whole primitive.

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  • So the Dermaptera, which retain distinct maxillulae and have no ectodermal genital ducts, have either specialized or aborted wings and a large number of Malpighian tubes.

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  • The Corrodentia retain vestigial maxillulae and two pairs of Malpighian tubes, but the wings are somewhat specialized in the Copeognatha and absent in the degraded and parasitic Mallophaga.

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  • They differ from other Endopterygota in the multiplication of their Malpighian tubes, and from all other Hexapoda in the union of the first abdominal segment with the thorax.

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  • Malpighian Tubes.

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  • Scorpio is here provided with a single or double pair of renal excretory tubes, which have been identified by earlier authors with the Malpighian tubes of the Hexapod and Myriapod insects.

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  • (From Lankester, loc. cit., after Packard.) with all air-breathing Arthropoda except Peripatus, possesses these tubules, which are often called Malpighian tubes.

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  • It has been considered by them as proving that Limulus, in spite of all its special agreements with Scorpio (which, however, have scarcely been appreciated by the writers in question), really belongs to the Crustacean line of descent, whilst Scorpio, by possessing Malpighian tubes, is declared to be unmistakably tied together with the other Arachnida to the tracheate Arthropods, the Hexapods, Diplopods, and Chilopods, which all possess Malpighian tubes.

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  • It appears that the Malpighian tubes of Scorpio are developed from the mesenteron, viz.

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  • In other words, the Malpighian tubes of the terrestrial Arachnida are homoplastic with those of Hexapoda and Myriapoda, and not homogenetic with them.

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  • M, The Malpighian or renal caecal diverticula of Scorpio.

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  • If, for instance, we find that instead of the natural number of Malpighian bodies in the kidney there are only half that number, then we are entitled to say that this defect represents disease of structure; and if we find that the organ is excreting a new substance, such as albumen, we can affirm logically that its function is abnormal.

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  • Behind the digestive stomach are situated, as usual, intestine and rectum, and the number of kidney (Malpighian) tubes varies from only six to over a hundred, being usually great.

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  • Usually there are four excretory (Malpighian) tubes; but there are only two in the Coccidae and none in the Aphidae.

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  • The stone-flies further resemble the Orthoptera in their numerous Malpighian excretory tubes, which vary in number from twenty to sixty.

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  • There are only six or eight Malpighian tubes - contrasting with the large number of these excretory organs found in the Orthoptera and Plecoptera.

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  • The insects included in this order differ from those of the two preceding orders in their more condensed abdomens which bear no cerci, while the number of Malpighian tubes is reduced to four.

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  • On the other hand, the reduced feelers, the numerous Malpighian tubes (40), the large complex eyes, the vestigial condition of the jaws, the excessive size of the fore-wings as compared with the hind-wings and their complex neuration with an enormous number of crossnervules are all specializations.

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  • The winged insects resemble the May-flies in their short feelers and in the large number (50 to 60) of their Malpighian tubes, but differ most strikingly from those insects in their strong wellarmoured bodies, their powerful jaws adapted for a predaceous manner of life, and the close similarity of the hind-wings to the forewings.

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  • Structurally the Neuroptera are distinguished by elongate feelers, a large, free prothorax, a labium with the inner lobes of the second maxillae fused together to form a median ligula, membranous, net-veined wings without hairy covering, those of the two pairs being usually alike, the absence of abdominal cerci, and the presence of six or eight Malpighian tubes.

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  • jaws under Hexapoda); in the presence of a large number of excretory (Malpighian) tubes; in the firm texture of the forewings; in the presence of appendages (cerci) on the tenth abdominal segment; and in the absence of a metamorphosis, the young insect after hatching closely resembling the parent.

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  • A brief notice must suffice of the structure and history of the Eyes, the Tracheae and the so-called Malpighian tubes of Arthropoda, though special importance attaches to each in regard to the determination of the affinities of the various animals included in this great sub-phylum.

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  • The Malpighian tubes of Hexapods are outgrowths of the proctodaeum, but those of Scorpion and the Amphipod Crustacea are part of the metenteron or endodermal gut, though originating near its junction with the proctodaeum.

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  • The Scorpion's so-called Malpighian tubes are not the same organs as those so named in the other Tracheata.

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  • Renal caecal tubes (Malpighian tubes) open into the proctodaeum.

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  • Renal excretory caeca (Malpighian tubes) are developed from the proctodaeum (not from mesenteron as in scorpion and Amphipoda).

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  • At bottom one individual is crawling over a Malpighian tubule.

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  • tion of the nervous system and in the a, Anterior; b, pof presence of four Malpighian (excretory) terior process of tubes the Thysanoptera resemble the ovipositor.

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  • The larvae of this parasite develop in the Malpighian tubules of the insect; at a certain stage they cast their cuticle and make their way into the space - part of the haemocoel - found in the labium.

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  • The excretory (malpighian) tubes are few in number, either four or six.

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  • Lameere's classification is founded on the number of abdominal sterna, the nervuration of the wings, the number of malpighian tubules (whether four or six) and other structural characters.

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  • There are four malpighian tubules.

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  • There are four malpighian tubes, and all five tarsal segments are usually recognizable.

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  • - In this tribe may be included a number of families distinguished by the softness of the cuticle, the presence of seven or eight abdominal sterna and of four malpighian tubes, and the firm, well-arm oured larva (fig.

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  • They may be distinguished from the Malacodermata by the presence of only five or six abdominal sterna, while six malpighian tubes are present in some of the families.

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  • - This is an important tribe of beetles, including families with four malpighian tubes and only five or six abdominal sterna, while in the thorax there is a backwardly directed process of the prosternum that fits into a mesosternal cavity.

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  • There are either four or six malpighian tubes.

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  • There are four malpighian tubes.

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  • - The families of beetles included by Kolbe in this group are distinguished by the possession of six malpighian tubes, and a great reduction in one or two of the tarsal segments, so that there seem to be only four or three segments in each foot; hence the names Tetramera and Trimera formerly applied to them.

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  • There are six malpighian tubes.

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  • The possession of a variable number of excretory tubes (Malpighian tubes), which are developed as outgrowths of the hind-gut and pour their excretion into the intestine,is also a distinctive character of the Hexapoda.

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  • From the fore-end of the hind-gut arise the slender Malpighian tubes (fig.

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  • - Nitrogenous waste-matter is removed from the body by the Malpighian tubes which open into the food-canal, usually where the hind-gut joins the stomach.

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  • When the worn-out cells are broken down, the urates are carried dissolved in the blood to the Malpighian tubes for excretion.

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    0
  • Brauer in his arrangement of these orders laid special stress on the nature of the metamorphosis, and was the first to draw attention to the number of Malpighian tubes as of importance in classification.

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  • Numerous (30 or more) Malpighian tubes.

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  • Malpighian tubes numerous (100-150).

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  • Numerous (50-60) Malpighian tubes.

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  • Six or eight Malpighian tubes.

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  • Four Malpighian tubes.

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  • Malpighian tubes numerous (40).

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  • Malpighian tubes numerous (50-60).

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  • Four or six Malpighian tubes.

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  • Six Malpighian tubes.

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  • Four (rarely 6 or 8) Malpighian tubes.

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  • Numerous (20-150) Malpighian tubes (in rare cases, 6-12 only).

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  • But the vestigial jaws, numerous Malpighian tubes, and specialized wings of may-flies forbid us to consider the order as on the whole primitive.

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    0
  • So the Dermaptera, which retain distinct maxillulae and have no ectodermal genital ducts, have either specialized or aborted wings and a large number of Malpighian tubes.

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    0
  • The Corrodentia retain vestigial maxillulae and two pairs of Malpighian tubes, but the wings are somewhat specialized in the Copeognatha and absent in the degraded and parasitic Mallophaga.

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    0
  • They differ from other Endopterygota in the multiplication of their Malpighian tubes, and from all other Hexapoda in the union of the first abdominal segment with the thorax.

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    0
  • Malpighian Tubes.

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  • Scorpio is here provided with a single or double pair of renal excretory tubes, which have been identified by earlier authors with the Malpighian tubes of the Hexapod and Myriapod insects.

    0
    0
  • (From Lankester, loc. cit., after Packard.) with all air-breathing Arthropoda except Peripatus, possesses these tubules, which are often called Malpighian tubes.

    0
    0
  • It has been considered by them as proving that Limulus, in spite of all its special agreements with Scorpio (which, however, have scarcely been appreciated by the writers in question), really belongs to the Crustacean line of descent, whilst Scorpio, by possessing Malpighian tubes, is declared to be unmistakably tied together with the other Arachnida to the tracheate Arthropods, the Hexapods, Diplopods, and Chilopods, which all possess Malpighian tubes.

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  • It appears that the Malpighian tubes of Scorpio are developed from the mesenteron, viz.

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    0
  • In other words, the Malpighian tubes of the terrestrial Arachnida are homoplastic with those of Hexapoda and Myriapoda, and not homogenetic with them.

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    0
  • M, The Malpighian or renal caecal diverticula of Scorpio.

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    0
  • If, for instance, we find that instead of the natural number of Malpighian bodies in the kidney there are only half that number, then we are entitled to say that this defect represents disease of structure; and if we find that the organ is excreting a new substance, such as albumen, we can affirm logically that its function is abnormal.

    0
    0
  • Behind the digestive stomach are situated, as usual, intestine and rectum, and the number of kidney (Malpighian) tubes varies from only six to over a hundred, being usually great.

    0
    0
  • Usually there are four excretory (Malpighian) tubes; but there are only two in the Coccidae and none in the Aphidae.

    0
    0
  • The stone-flies further resemble the Orthoptera in their numerous Malpighian excretory tubes, which vary in number from twenty to sixty.

    0
    0
  • There are only six or eight Malpighian tubes - contrasting with the large number of these excretory organs found in the Orthoptera and Plecoptera.

    0
    0
  • The insects included in this order differ from those of the two preceding orders in their more condensed abdomens which bear no cerci, while the number of Malpighian tubes is reduced to four.

    0
    0
  • On the other hand, the reduced feelers, the numerous Malpighian tubes (40), the large complex eyes, the vestigial condition of the jaws, the excessive size of the fore-wings as compared with the hind-wings and their complex neuration with an enormous number of crossnervules are all specializations.

    0
    0
  • The winged insects resemble the May-flies in their short feelers and in the large number (50 to 60) of their Malpighian tubes, but differ most strikingly from those insects in their strong wellarmoured bodies, their powerful jaws adapted for a predaceous manner of life, and the close similarity of the hind-wings to the forewings.

    0
    0
  • Structurally the Neuroptera are distinguished by elongate feelers, a large, free prothorax, a labium with the inner lobes of the second maxillae fused together to form a median ligula, membranous, net-veined wings without hairy covering, those of the two pairs being usually alike, the absence of abdominal cerci, and the presence of six or eight Malpighian tubes.

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  • M.C. Malpighian corpuscle.

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  • jaws under Hexapoda); in the presence of a large number of excretory (Malpighian) tubes; in the firm texture of the forewings; in the presence of appendages (cerci) on the tenth abdominal segment; and in the absence of a metamorphosis, the young insect after hatching closely resembling the parent.

    0
    0
  • A brief notice must suffice of the structure and history of the Eyes, the Tracheae and the so-called Malpighian tubes of Arthropoda, though special importance attaches to each in regard to the determination of the affinities of the various animals included in this great sub-phylum.

    0
    0
  • The Malpighian tubes of Hexapods are outgrowths of the proctodaeum, but those of Scorpion and the Amphipod Crustacea are part of the metenteron or endodermal gut, though originating near its junction with the proctodaeum.

    0
    0
  • The Scorpion's so-called Malpighian tubes are not the same organs as those so named in the other Tracheata.

    0
    0
  • Renal caecal tubes (Malpighian tubes) open into the proctodaeum.

    0
    0
  • Renal excretory caeca (Malpighian tubes) are developed from the proctodaeum (not from mesenteron as in scorpion and Amphipoda).

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    0
  • At bottom one individual is crawling over a Malpighian tubule.

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    0
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