Term Name:	semicircular duct
Synonyms:	ductus semicirculares, membranous semicircular canal
Definition:	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
Ontology:	Cell Ontology [UBERON:0001856]