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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cleft jaw,

an abnormal jaw resulting from failure of the left and right mandibles to fuse properly during embryonic development.

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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.