gnathion


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Related to gnathion: pogonion

gnathion

 [nath´e-on]
the most outward and everted point on the profile curvature of the chin.

gnath·i·on

(nath'ē-on),
The most inferior point of the mandible in the midline. In cephalometrics, it is the midpoint between the most anterior and inferior point on the bony chin, measured at the intersection of the mandibular baseline and the nasion-pogonion line.
[G. gnathos, jaw]

gnathion

/gnath·i·on/ (na´the-on) the most outward and everted point on the profile curvature of the chin.

gnathion

[nā′thē·on]
Etymology: L, gnathos, jaw
the lowest point in the lower border of the mandible in the median plane. It is found on the bony mandibular border when palpated from below and naturally lies posterior to the tegumental border of the chin. It is a common reference point in the diagnosis and orthodontic treatment of various kinds of malocclusion and is an anthropometric landmark.

gnath·i·on

(nath'ē-on)
The most inferior point of the mandible in the midline. In cephalometrics, it is the midpoint between the most anterior and inferior point on the bony chin, measured at the intersection of the mandibular baseline and the nasion-pogonion line.
[G. gnathos, jaw]

gnath·i·on

(nath'ē-on)
Most inferior point of mandible in midline.
[G. gnathos, jaw]

gnathion (nā´thēon),

n the lowest point in the inferior border of the mandible at the median plane. It is a point on the bony border palpated from below and naturally lies posterior to the tegumental border of the chin.