Endolymphatic duct

Canal
Endolymphatic duct
The membranous labyrinth. (Ductus endolymphaticus labeled at bottom center.)
Endolymphatic duct is #6, and is labeled at top center.
Details
Identifiers
Latinductus endolymphaticus
MeSHD004711
TA98A15.3.03.079
TA27006
FMA61246
Anatomical terminology
[edit on Wikidata]

From the posterior wall of the saccule a canal, the endolymphatic duct, is given off; this duct is joined by the ductus utriculosaccularis, and then passes along the aquaeductus vestibuli and ends in a blind pouch (endolymphatic sac) on the posterior surface of the petrous portion of the temporal bone, where it is in contact with the dura mater.

Disorders of the endolymphatic duct include Meniere's Disease and Enlarged Vestibular Aqueduct.

Additional images

  • Transverse section through head of fetal sheep, in the region of the labyrinth. X 30.
    Transverse section through head of fetal sheep, in the region of the labyrinth. X 30.
  • Transverse section of a human semicircular canal and duct
    Transverse section of a human semicircular canal and duct

References

Public domain This article incorporates text in the public domain from page 1052 of the 20th edition of Gray's Anatomy (1918)

External links

  • The Endolymphatic Duct and Sac
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Anatomy of hearing and balance
Outer earMiddle ear
Tympanic cavity
Ossicles
Auditory tube /
Eustachian tube
Inner ear
Labyrinths
Auditory system
General
Cochlear duct /
scala media
Vestibular system
Vestibule
Semicircular canals
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