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The cochlear duct (a.k.a. the scala media) is an endolymph filled cavity inside the cochlea, located between the tympanic duct and the vestibular duct, separated by the basilar membrane and the vestibular membrane (Reissner's membrane) respectively. The cochlear duct houses the organ of Corti. [1]
the cochlear duct or scala media (containing endolymph) a region of high potassium ion concentration that the stereocilia of the hair cells project into; The helicotrema, the location where the tympanic duct and the vestibular duct merge, at the apex of the cochlea; Reissner's membrane, which separates the vestibular duct from the cochlear duct
The lateral wall of the cochlear duct is formed by the spiral ligament and the stria vascularis, which produces the endolymph. The hair cells develop from the lateral and medial ridges of the cochlear duct, which together with the tectorial membrane make up the organ of Corti.
Tiếng Việt; 中文; Edit links ... by a number of holes for the passage of filaments of the acoustic nerve which supply the vestibular end of the cochlear duct. ...
Medial to the opening for the carotid canal and close to its posterior border, in front of the jugular fossa, is a triangular depression; at the apex of this is a small opening, the aquaeductus cochleae (or cochlear aqueduct, or aqueduct of cochlea), which lodges a tubular prolongation of the dura mater establishing a communication between the perilymphatic space and the subarachnoid space ...
The stria vascularis is part of the lateral wall of the cochlear duct. [1] It is a somewhat stratified epithelium containing primarily three cell types: marginal cells, [1] which are involved in K + transport, and line the endolymphatic space of the scala media. intermediate cells, [1] which are pigment-containing cells scattered among capillaries.
Cochlear aqueduct, or aqueduct of cochlea, a communication between the perilymphatic space and the subarachnoid space; Cochlear artery, a division of the internal auditory artery; Cochlea, part of the Labyrinth (inner ear) Cochlear duct, also known as the scala media, the endolymph-filled part of the cochlea
The helicotrema (from Greek: ἕλιξ [helix] meaning coil and τρη̂μα [trēma] meaning hole) is the part of the cochlear labyrinth where the scala tympani and the scala vestibuli meet. It is the main component of the cochlear apex. The hair cells near this area best detect low frequency sounds.