From the posterior wall of the
saccule
The saccule (Latin: sacculus) is a bed of sensory cells in the inner ear that detects linear acceleration and head tilting in the vertical plane, and converts these vibrations into electrical impulses to be interpreted by the brain. When the he ...
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
The temporal bone is a paired bone situated at the sides and base of the skull, lateral to the temporal lobe of the cerebral cortex.
The temporal bones are overlaid by the sides of the head known as the temples where four of the cranial 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
File:Gray902.png, Transverse section through head of fetal sheep, in the region of the labyrinth. X 30.
File:Cross section of semi circular canal svg hariadhi.svg, Transverse section of a human semicircular canal and duct
References
External links
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The Endolymphatic Duct and Sac
Vestibular system
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