Endolymphatic duct
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.
| Endolymphatic duct | |
|---|---|
 The membranous labyrinth. (Ductus endolymphaticus labeled at bottom center.) | |
 Endolymphatic duct is #6, and is labeled at top center. | |
| Details | |
| Identifiers | |
| Latin | ductus endolymphaticus |
| MeSH | D004711 |
| TA | A15.3.03.079 |
| FMA | 61246 |
| Anatomical terminology | |
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 of a human semicircular canal and duct
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References
This article incorporates text in the public domain from page 1052 of the 20th edition of Gray's Anatomy (1918)
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