jaw (jaw) either of the two bony tooth-bearing structures (mandible and maxilla) in the head of dentate vertebrates.
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.
Phossy Jaw
A condition caused by chronic occupation-related poisoning by elemental or yellow phosphorus which causes mandibular necrosis, in particular in factories producing yellow/white phosporus-based matches
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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