• cerebrospinal a

encephalorrhachid'ian a., cerebrospinal a. fa'cial a., bas if acial a. fron'tal a., the transverse a. of the eyeball, a line running transversely through the center of the globe of the eye. neu'ral a., cerebrospinal a. pel'vic a., pelvic canal.* sag'ittal a., the anteroposterior a. of the eyeball, thora'cic a., (i) arteria thoracoacromialis [BNA]; (2) vena thoracoacromialis [BNA]. thy'roid a., truncus thy reo cervical is [BNA]. ver'tical a., the vertical line pa ing through the center of the eyeball. Tis'ual a., line of vision, the straight line extending from the object seen, through the center of the pupil, to the macula lutea of the retina.