jaw (redirected from Cleft jaw)

jaw (jaw) either of the two bony tooth-bearing structures (mandible and maxilla) in the head of dentate vertebrates.

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cleft jaw  a cleft between the median nasal and maxillary prominences through the alveolus.

Hapsburg jaw  a mandibular prognathous jaw, often accompanied by Hapsburg lip.

phossy jaw  phosphorus necrosis.

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jaw (jô)

n.

1. Either of two bony structures that form the framework of the mouth and hold the teeth.

2. The mandible or maxilla or the part of the face covering these bones.

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jawless adj.

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jaw,

n a common name for either the maxillae or the mandible; the meaning is usually extended to include their soft tissue covering.

jaw, cleft (gnathouschisis),

n See palate, cleft.

jaw cyst,

n an abnormal bladderlike sac within the jaw. May occur in either the maxilla or mandible associated with or not associated with the dentition and its formation. See also cyst.

jaw, fibro-osseous, lesion,

n See lesion, fibroosseous jaw.

jaw fracture,

n a break in the continuity of the bone of the maxilla or mandible. See also fracture.

jaw, lumpy,

n See actinomycosis.

jaw movement,

n See movement, jaw.

jaw, phossy,

n See poisoning, phosphorus.

jaw reflex,

n See reflex, jaw.

jaw relation,

n See relation, jaw.

jaw-to-jaw relationship,

n See relation, jaw.

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jaw

either of the two opposing bony structures (maxilla and mandible) of the mouth of vertebrates; they bear the teeth and are used for seizing prey, for biting, or for masticating food.

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jaw bone

the mandible or maxilla, especially the mandible.

jaw champing

involuntary, rapid, repetitive clenching of the teeth; accompanied by frothing of saliva; frequently accompanies clonic convulsions.

jaw chattering

involuntary, rapid clicking together of the teeth without salivation and usually accompanied by generalized shivering; in animals, may be a sign of painful teeth.

dropped jaw

see mandibular neurapraxia.

jaw locking

a dislocation of the jaw, usually following wide opening, in which the mouth cannot be closed. See also temporomandibular dysplasia.

jaw malapposition

see malocclusion.

overshot jaw

see brachygnathia.

pig jaw

see brachygnathia.

jaw retractor

a dental gag used to keep the jaws of an animal as open as possible.

rubber jaw

see renal secondary hyperparathyroidism.

undershot jaw

see undershot.