jaw (jaw) either of the two bony tooth-bearing structures (mandible and maxilla) in the head of dentate vertebrates.
cleft jaw,
jaw [jaw]
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.
cleft jaw,
an abnormal jaw resulting from failure of the left and right mandibles to fuse properly during embryonic development.
jaw [jaw]
either the mandible (lower jaw) or the maxilla (upper jaw), two opposing bony structures of the mouth of a vertebrate; they bear the teeth and are used for seizing prey, for biting, or for masticating food. See anatomic Table of Bones in the Appendices.
cleft jaw a cleft between the median nasal and maxillary processes through the alveolus; see also cleft palate. Called also gnathoschisis.
Hapsburg jaw a mandible that is prognathous, often accompanied by Hapsburg lip. See illustration.
Hapsburg jaw with Hapsburg lip.
phossy jaw phosphonecrosis.
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,
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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