opisthion


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o·pis·thi·on

(ō-pis'thē-on),
The middle point on the posterior margin of the foramen magnum, opposite the basion.
[G. opisthios, posterior]

opisthion

/opis·thi·on/ (o-pis´the-on) the midpoint of the lower border of the foramen magnum.

opisthion

[ō·pis′thē·on]
Etymology: Gk, opisthion, rear, posterior
a landmark located at the midpoint of the posterior border of the foramen magnum.

o·pis·thi·on

(ō-pis'thē-on) [TA]
The middle point on the posterior margin of the foramen magnum, opposite the basion.
[G. opisthios, posterior]

o·pis·thi·on

(ō-pis'thē-on) [TA]
The middle point on the posterior margin of the foramen magnum, opposite the basion.
[G. opisthios, posterior]

opisthion (ōpis´thēôn),

n the hindmost point on the posterior margin of the foramen magnum.
References in periodicals archive ?
Naderi was found distance between the basion and opisthion 34.
During neck strength measurement, participants sat in an incline bench press chair with its back positioned vertically and participants positioned their head/neck in a neutral posture so that an imaginary line between and nasion and opisthion was horizontal (Strimpakos et al.
These include the opisthion (the dorsal border of the foramen magnum), basion (the ventral border of the foramen magnum), clivus, hard palate, atlas, pedicle of axis, and tip of the odontoid process.