[ney-thee-on, nath-ee-] /ˈneɪ θiˌɒn, ˈnæθ i-/

Craniometry. the lowest point on the anterior margin of the lower jaw in the midsaggital plane.
/ˈneɪθɪˌɒn; ˈnæθ-/
the lowest point of the midline of the lower jaw: a reference point in craniometry

gnathion gnath·i·on (nāth’ē-ŏn’, nā’thē-)
The most inferior point of the mandible in the midline.


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