| gnathic | <anatomy> Of or pertaining to the jaw. Gnathic index, in a skull, the ratio of the distance from the middle of the nasofrontal suture to the basion (taken equal to 100), to the distance from the basion to the middle of the front edge of the upper jaw; called also alveolar index. "Skulls with the gnathic index below 98 are orthognathous, from 98 to 103 mesognathous, and above 103 are prognathous." (Flower) Origin: Gr. The jaw. Source: Websters Dictionary (01 Mar 1998) |
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| gnathic index | Relation between the basialveolar (basion to alveolar point) and basinasal (basion to nasion) lengths: (basialveolar length × 100)/basinasal length; the result indicates the degree of projection of the maxilla or upper jaw. Synonym: alveolar index. (05 Mar 2000) |
| gnathic |
pertaining to the jaw or cheek.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| gnathic i. |
the degree of prominence of the upper jaw, expressed as a percentage of the distance from basion to nasion. Called also alveolar i.
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| gnathic o. |
o. of jaw.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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