| 释义 |
scala media
sca·la me·di·a S5122250 (skā′lə mē′dē-ə)n. pl. sca·lae me·di·ae (skā′lē mē′dē-ē) The middle division of three divisions of the spiral cavity winding around the modiolus of the cochlea in the inner ear. It is situated between the scala vestibuli and scala tympani, filled with endolymph, and houses the organ of Corti. Also called cochlear duct.
[New Latin scāla media : Latin scāla, staircase (from its spiral structure ) + Latin media, feminine of medius, middle.]scala media
scala media[′skā·lə ′mē·dē·ə] (anatomy) The middle channel of the cochlea, filled with endolymph and bounded above by Reissner's membrane and below by the basilar membrane. Also known as cochlear duct. scala media
scala [ska´lah] (L.) a ladderlike structure, especially any of various passages of the cochlea.scala me´dia cochlear duct.scala tym´pani the part of the cochlea below the spiral lamina.scala vesti´buli the part of the cochlea above the spiral lamina.co·chle·ar duct [TA] a spirally arranged membranous tube suspended within the cochlea, lying between and separating the scala vestibuli and scala tympani; it begins by a blind extremity, the vestibular cecum, in the cochlear recess of the vestibule, terminating in another blind extremity, the cecum cupulare or lagena, at the cupola of the cochlea; it contains endolymph and communicates with the sacculus by the ductus reuniens; the spiral organ (of Corti), the neuroepithelial receptor organ for hearing, occupies the floor of the duct, and the stria vascularis covers the outer wall. Synonym(s): ductus cochlearis [TA], scala media [TA], Löwenberg canal, Löwenberg scala, membranous cochleascala media (skā′lə mē′dē-ə)n. pl. scalae mediae (skā′lē mē′dē-ē) The middle division of three divisions of the spiral cavity winding around the modiolus of the cochlea in the inner ear. It is situated between the scala vestibuli and scala tympani, filled with endolymph, and houses the organ of Corti. Also called cochlear duct.coch·le·ar duct (kok'lē-ăr dŭkt) [TA] A spirally arranged membranous tube suspended within the cochlea, occupying the lower portion of the scala vestibuli; it begins by a blind extremity, the vestibular cecum, in the cochlear recess of the vestibule, and ends in another blind extremity, the cecum cupulare or lagena, at the cupola of the cochlea; it contains endolymph and communicates with the sacculus by the ductus reuniens; the spiral organ (organ of Corti), the neuroepithelial receptor organ for hearing, occupies the floor of the duct.
Synonym(s): scala media [TA] . |