Mandible Sentence Examples
The mandible is composed of several bones as in reptiles.
The operculum of the normal zooecium has become the mandible, while the occlusor muscles have become enormous.
They include the mandible of a mastodon and a portion of a vertebra of a large fish, both found in the Lower Madison Valley; the skull and other parts of a dog (Mesocyon drummondanus), found near Drummond, Granite county; the skull of a Poatrephes paludicola, found near New Chicago,.
The beak is large, strong and sharp-edged, the upper mandible terminating in a large hook; the wings are narrow and very long; the feet have no hind toe, and the three anterior toes are completely webbed.
Hinds believe that the paired piercers are the inner lobes of the maxillae, and the unpaired piercer the left mandible, the right mandible being absent.Advertisement
Dentary movably attached to the tip of the articular bone of the mandible.
This buccal sac is provided with a dorsal mandible and a ventral radula.
The upper surface of the lateral edges of the mandible has also a number of parallel fine transverse ridge, like those on the bill of a duck.
In most cases, however, the palp loses its exopodite and it often disappears altogether, while the coxal segment forms the body of the mandible, with a masticatory edge variously armed with teeth and spines.
With regard to the lower teeth the difficulties are greater, owing to the absence of any suture corresponding to that which defines the incisors above; but since the number of the teeth is the same, since the corresponding teeth are preceded by milk-teeth, and since in the large majority of cases it is the fourth tooth of the series which is modified in the same way as the canine (or fourth tooth) of the upper jaw, it is reasonable to adopt the same divisions as with the upper series, and to call the first three, which are implanted in the part of the mandible opposite to the premaxilla, the incisors, the next the canine, the next four the premolars, and the last three the molars.Advertisement
The processes of the mandible (iap, pap) are characteristic of this type, and of the anseres.
The root-feeding larvae of the cockchafer and allied members of the Scarabaeidae have a ridged area on the mandible, which is scraped by teeth on the maxillae, apparently forming a stridulating organ.
Ia, frons; b, clypeus (the pointed labrum beneath it); II, mandible; III, first maxilla; (a, base; b, sheath; c, piercer), III', inner view of sheath; IV, second maxillae forming rostrum (b, mentum; c, ligula).
Maxillary horizontal; pterygoid reaching quadrate or mandible.
While hunting for its food the bird makes a continual sniffing sound through the nostrils, which are placed at the extremity of the upper mandible.Advertisement
The facial portion of the skull is very short; a long process of the maxillary bone descends from the anterior part of the zygomatic arch; and the ascending ramus of the mandible is remarkably high.
The mother also had a broken mandible, whilst the daughter suffered from an additional shoulder trauma and leg injuries.
It would then use its incredibly long, curved upper mandible to probe under any dislodged bark or moss.
The upper jaw is called the maxilla; the lower jaw is called a mandible.
The babies are born gray with a straight bill, the upper mandible with a slight hook.Advertisement
Once the lower mandible makes contact with a fish the beak is snapped shut.
The other is a portion of a mandible, which is also of uncertain origin.
While some mouth guards are designed so as to physically keep the tongue out of the way, other mouth guards are designed to pull the mandible forward.
Look out for Bret "Hitman" Hart's sharpshooter, Steve Austin's stone cold stunner, and Mankind's mandible claw.
The bones are involved 50 to 75 percent of the time, which includes the skull, or mandible, and the long bones.Advertisement
Temporomandibular joint (TMJ)-One of a pair of joints that attaches the mandible of the jaw to the temporal bone of the skull.
The lower jaw (mandible) may be dislocated by force.
The alveolar bone is a set of ridges along the jaw bones (maxillary and mandible) from which the teeth arise.
What has become of the nerveMd, Mandible.
A full identification of the large deer mandible is also desirable.
Table 1 illustrates these differences for the test and control brushes for the anterior and posterior sextants of the mandible and maxilla.
A, Front; B, side; C, back; v, vertex; f, frons; cl, clypeus; lbr, labrum; oc, compound eye; ge, gena; mn, mandible; ca, st, pa, ga, la, cardo, stipes, palp, galea, lacinia of first maxilla; sm, m, pa', pg, submentum, mentum, palp, galea of 2nd maxilla.
In the vibraculum the part representing the zooecium is relatively smaller, and the mandible has become the "seta," an elongated chitinous lash which projects far beyond the zooecial portion of the structure.
A tuft of black, bristly feathers projects beardlike from the base of the mandible, and gives the bird one of its commonest epithets in many languages.
The glenoid surface for the articulation of the mandible is greatly extended transversely, concave from side to side, convex from before backwards in front, and hollow behind, and is bounded posteriorly at its inner part by a prominent post-glenoid process.
Its upper extremity embraces the lower surface of the cartilaginous ear-conch; its lower end reaches the level of the inferior margin of the mandible, along the posterior margin of which it is placed.
The articulation of the mandible to the quadrate-bone is such as to allow of a very considerable amount of lateral play, and, by a particular arrangement of the muscles which move the former, it comes to pass that so soon as the bird opens its mouth the point of the mandible is brought immediately opposite to that of the maxilla (which itself is movable vertically), instead of crossing or overlapping it - the usual position when the mouth is closed.
The endopodite may be retained as a small segmented palp at the side of the gnathobase or disappear (mandible of Crustacea, Chilopoda and Hexapods).
The solid palpless mandible such as we now see in some Arthropoda is, necessarily, a late specialization.
The mandible is toothed but has no coronoid bone.