| lower lip | The muscular fold bounding the opening of the mouth inferiorly. Synonym: labium inferius oris. (05 Mar 2000) |
|---|---|
| low lip line | The lowest position of the lower lip during the act of smiling or voluntary retraction, the lowest position of the upper lip at rest. (05 Mar 2000) |
| vein of vestibular aqueduct | 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) |
| vein of vestibular bulb | The vein draining the bulb of the vestibule; a tributary of the internal pudendal vein. Synonym: vena bulbi vestibuli. (05 Mar 2000) |
| vestibular | <anatomy> Pertaining to or toward a vestibule. In dental anatomy, used to refer to the tooth surface directed toward the vestibule of the mouth. Origin: L. Vestibularis (18 Nov 1997) |
| vestibular anus | <anatomy, surgery> A congenital malformation in which the anus is imperforate but the rectum opens into the vagina just above the vulva. (05 Mar 2000) |
| vestibular apparatus | <anatomy> The receptor organ of the vestibular portion of the 8th cranial nerve, consisting of the three saemicircular canals and the otolith, located within the petrous portion of the temporal bone of the skull. (05 Mar 2000) |
| vestibular aqueduct | <anatomy> A small bony canal linking the vestibule of the inner ear to the posterior part of the internal surface of the petrous temporal bone. It surrounds the endolymphatic duct. (12 Dec 1998) |
| vestibular area | More specifically look at: inferior vestibular area, superior vestibular area. (05 Mar 2000) |
| vestibular blind sac | <anatomy> The lower extremity of the cochlear duct, occupying the cochlear recess in the vestibule. Synonym: caecum vestibulare, vestibular blind sac. (05 Mar 2000) |
| vestibular branches of labyrinthine artery | <anatomy, artery> Branches of labyrinthine artery passing to the vestibule of the bony labyrinth to supply the membranous labyrinth. (05 Mar 2000) |
| vestibular caecum of the cochlear duct | <anatomy> The lower extremity of the cochlear duct, occupying the cochlear recess in the vestibule. Synonym: caecum vestibulare, vestibular blind sac. (05 Mar 2000) |
| vestibular canal | The division of the spiral canal of the cochlea lying on the apical side of the spiral lamina and vestibular membrane. Synonym: vestibular canal. (05 Mar 2000) |
| vestibular crest | <anatomy> An oblique ridge on the inner wall of the vestibule of the labyrinth, bounding the spherical recess above and posteriorly. Synonym: crista vestibuli. (05 Mar 2000) |
| vestibular diseases | Diseases of the vestibule, the part of the inner ear that contains organs involved with balance. (12 Dec 1998) |