frankfort horizontal
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Frankfort horizontal plane — Frank·fort hor·i·zon·tal plane fraŋk fərt .hȯr ə zänt əl , .här n a plane used in craniometry that is determined the highest point on the upper margin of the opening of each external auditory canal and the low point on the lower margin of the… … Medical dictionary
Frankfort — See F. horizontal plane, F. mandibular incisor angle. [Frankfurt am Main, Germany] … Medical dictionary
frankfort plane — noun see frankfurt horizontal … Useful english dictionary
frankfurt horizontal — noun or frankfort horizontal or frankfurt plane or frankfort plane Usage: usually capitalized F Etymology: Frankfurt am Main … Useful english dictionary
auriculoinfraorbital plane — Frankfort horizontal p … Medical dictionary
plane — 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 … Medical dictionary
Axis — The axis is the second cervical vertebra (symbol: C2). It is called the axis because the uppermost cervical vertebra (called the atlas) rotates about the odontoid process of C2. The joint between the axis and atlas is a pivot type of joint. It… … Medical dictionary
eye-ear plane — n FRANKFORT HORIZONTAL PLANE * * * Frankfort horizontal p … Medical dictionary
facial angle — n the angle that is determined by the intersection of a line connecting the nasion and prosthion with the Frankfort horizontal plane and is used as a measure of prognathism * * * the angle formed by the junction of the Frankfort horizontal plane… … Medical dictionary
triangle — 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 … Medical dictionary
