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endolymphatic sac

^ http://purl.obolibrary.org/obo/UBERON_0002223

From the posterior wall of the saccule a canal, the ductus endolymphaticus, is given off; this duct is joined by the ductus utriculosaccularis, and then passes along the aquaeductus vestibuli and ends in a blind pouch, the endolymphatic sac, on the posterior surface of the petrous portion of the temporal bone, where it is in contact with the dura mater. Studies suggest that the endolymphatic duct and endolymphatic sac perform both absorptive and secretory, as well as phagocytic and immunodefensive,functions . [WP,unvetted]. [ http://en.wikipedia.org/wiki/Endolymphatic_sac ]

Synonyms: saccus endolymphaticus

Term info

database cross reference
Subsets

uberon_slim, pheno_slim

UBPROP 0000001

The blind extremity of the endolymphatic duct. [TFD][VHOG]

UBPROP 0000003

Many adult anamniotes have an endolymphatic duct that opens onto the surface of the head. In other vertebrates, it either is lost or forms a small, deeply seated endolymphatic sac.[well established][VHOG]

editor note

EHDAA2 structure is embryonic

has related synonym

saccus endolymphaticus

id

UBERON:0002223

prefLabel

Endolymphatic sac