basión
121basialis — Relating to a basis or the basion …
122basinasal — Relating to the basion and the nasion; denoting especially the b. length, or the shortest distance between the two points …
123endobasion — A cephalometric and craniometric point located in the midline at the most posterior point of the anterior border of the foramen magnum on the contour of the foramen; it is slightly posterior and internal …
124opisthion — The middle point on the posterior margin of the foramen magnum, opposite the basion. [G. opisthios, posterior] * * * opis·thi·on ə pis thē .än n, pl thia …
125plane — 1. A two dimensional flat surface. See planum. 2. An imaginary surface formed by extension of a point through any axis or two definite points, in reference especially to craniometry and to pelvimetry. SYN: planum. [L. planus, flat] Addison …
126triangle — In anatomy and surgery, a three sided area with arbitrary or natural boundaries. SEE ALSO: trigonum, region. [L. triangulum, fr. tri , three, + angulus, angle] anal t. [TA] the posterior portion of the perineal region through which the …
127Cochlear aqueduct — Bone: Aqueduct of cochlea Left temporal bone. Inferior surface. (Aquæductus cochleæ labeled at left, fifth from the top.) Latin a. cochleae Gray s …
128Neurocranium — (note: diagram uses the term cranial bones in the more narrow sense.) …
