| fossula fenestrae vestibuli | A depression on the medial wall of the middle ear which has the fenestra vestibulae (oval window) in its lower portion. Synonym: Huguier's sinus, little fossa of the vestibular window, little fossa of the vestibular round window. (05 Mar 2000) |
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| fossula fenestrae cochleae | A depression on the medial wall of the middle ear which has the fenestra cochleae (round window) in its lower portion. Synonym: fossula rotunda, little fossa of the cochlear window. (05 Mar 2000) |
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| crest of fenestrae cochleae | The edge of the opening of the cochlear window to which the secondary tympanic membrane is attached. Synonym: crista fenestrae cochleae, crest of cochlear opening. (05 Mar 2000) |
| crista fenestrae cochleae | The edge of the opening of the cochlear window to which the secondary tympanic membrane is attached. Synonym: crista fenestrae cochleae, crest of cochlear opening. (05 Mar 2000) |
| petrosal fossula | A small and often only faintly marked depression on the inferior surface of the petrous portion of the temporal bone, between the jugular fossa and the opening of the carotid canal; here opens the canaliculus tympanicus transmitting the tympanic nerve. Synonym: fossula petrosa, petrosal fossa, receptaculum ganglii petrosi. (05 Mar 2000) |
| fossula | 1. A small fossa. 2. A minor fissure or slight depression on the surface of the cerebrum. Synonym: fossette. Origin: L. Dim. Of fossa, ditch (05 Mar 2000) |
| fossula petrosa | A small and often only faintly marked depression on the inferior surface of the petrous portion of the temporal bone, between the jugular fossa and the opening of the carotid canal; here opens the canaliculus tympanicus transmitting the tympanic nerve. Synonym: fossula petrosa, petrosal fossa, receptaculum ganglii petrosi. (05 Mar 2000) |
| fossula rotunda | A depression on the medial wall of the middle ear which has the fenestra cochleae (round window) in its lower portion. Synonym: fossula rotunda, little fossa of the cochlear window. (05 Mar 2000) |
| apertura externa aqueductus vestibuli | The external opening of the vestibular aqueduct on the posterior surface of the petrous part of the temporal bone near the groove for the sigmoid sinus. Synonym: apertura externa aqueductus vestibuli. (05 Mar 2000) |
| aqueductus vestibuli | aqueduct of vestibule |
| arteria bulbi vestibuli | The branch of the internal pudendal artery in the female that supplies the bulb of the vestibule. Synonym: arteria bulbi vestibuli, arteria bulbi vaginae. (05 Mar 2000) |
| bulbus vestibuli vaginae | A mass of erectile tissue on either side of the vagina united anterior to the urethra by the commissura bulborum. Synonym: bulbus vestibuli vaginae. (05 Mar 2000) |
| valvula vestibuli | An obsolete term for valvula venosa. (05 Mar 2000) |
| vena aqueductus vestibuli | A small vein accompanying the endolymphatic duct; it drains much of the vestibular portion of the labyrinth and terminates in the inferior petrosal sinus. Synonym: vena aqueductus vestibuli. (05 Mar 2000) |
| vena bulbi vestibuli | The vein draining the bulb of the vestibule; a tributary of the internal pudendal vein. Synonym: vena bulbi vestibuli. (05 Mar 2000) |
| rima vestibuli | The interval between the false vocal cords or vestibular folds. Synonym: false glottis, glottis spuria, rima respiratoria. (05 Mar 2000) |