opisthognathism


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op·is·thog·na·thous

 (ŏp′ĭs-thŏg′nə-thəs)
adj.
Having receding jaws or mouthparts directed backward.

[Greek opistho-, behind (from opisthen; see epi in Indo-European roots) + -gnathous.]

op′is·thog′na·thism n.

opisthognathism

the condition of having retracted jaws. — opisthognathic, opisthognathous, adj.
See also: Facial Features
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