prognathic


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Related to prognathic: retrognathic

prognathous

, prognathic
having a projecting lower jaw

prognathic

[präg′nath·ik]
(anthropology)
A condition of the upper jaw in which it projects anteriorly with respect to the profile of the facial skeleton, when the skull is oriented on the Frankfort horizontal plane; having a gnathic index of 103.0 or more.
References in periodicals archive ?
The face is tall with a massive brow ridge, yet the mid-face is short (in superoinferior dimension) and less prognathic than in (chimpanzee) or Australopithecus,'' one of the article said.
Prognathic (Angle class 3) patients might have a disproportionately large mandible.
On the other hand, the relatively large and apparently prognathic face may set this child closer to the more primitive forms of Jebel Irhoud, rather than the above-mentioned Mechtoid populations.
His skull was long and his face was narrow and prognathic rather than broad and flat.