innominate canaliculus — canaliculus innominatus sulcus nervi petrosi minoris. 1. foramen petrosum … Medical dictionary
canaliculus — A small canal or channel. SEE ALSO: iter. [L. dim. fr. canalis, canal] anterior c. of chorda tympani a canal in the petrotympanic or glaserian fissure, near its posterior edge, through which the … Medical dictionary
foramen petrosum — [TA] petrosal foramen: a small opening sometimes present posterior to the oval foramen for transmission of the lesser petrosal nerve; called also canaliculus innominatus and innominate canaliculus … Medical dictionary
Foramen ovale (skull) — Infobox Bone Name = Foramen ovale of Sphenoid Latin = foramen ovale ossis sphenoidalis GraySubject = 35 GrayPage = 150 Caption = Sphenoid bone. Upper surface. (foramen ovale labeled at left, third from bottom) Caption2 = Horizontal section of… … Wikipedia
Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… … Medical dictionary