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semicircular duct

^ http://purl.obolibrary.org/obo/UBERON_0001856

Any of the three loop-shaped membranous inner tubular parts of the semicircular canals that are about one-fourth the diameter of the corresponding outer bony canals, that communicate at each end with the utricle, and that have near one end an expanded ampulla containing an area of sensory epithelium. [ http://dictionary.reference.com/browse/semicircular+duct ]

Term info

database cross reference
  • EMAPA:32830
  • FMA:61122
  • UMLS:C1323109 (ncithesaurus:Semicircular_Duct)
  • SCTID:279833009
  • MESH:D054776
  • MA:0000251
  • NCIT:C33528
  • VHOG:0000238
plural term
ductus semicirculares [ FMA:71880 FMA:TA ]

UBPROP 0000003

In gnathostomes, each membranous labyrinth has three semicircular ducts that connect with a chamber known as the utriculus (...); Gnathostome ears have a horizontal semicircular duct. This brings their complement to three semicircular ducts, a pattern retained throughout gnathostome evolution.[well established][VHOG]

editor note

TODO - check canal vs duct. see Wikipedia:File:Gray927.png

has related synonym

membranous semicircular canal, ductus semicirculares

id

UBERON:0001856

prefLabel

Semicircular duct, semicircular duct, Set of semicircular ducts