part of part of develops_from tube semicircular canal AAO:0011098 BTO:0003383 CALOHA:TS-2164 EMAPA:32832 EV:0100365 FMA:60186 Fluid-filled toroidal spaces, arranged orthogonally to each other in the ear, that detect angular accelerations. (See Anatomical Atlas entry for semicircular canals by T. Whitfield.)[TAO] GAID:776 In gnathostomes, each membranous labyrinth has three semicircular ducts that connect with a chamber known as the utriculus. These ducts are sometimes called canals, but technically the term semicircular canal applies to the spaces in the osseus labyrinth in which the semicircular ducts lie.[uncertain][VHOG] MA divides this into osseous and duct. In FMA, this is systemically part of the bony labyrinth. Note this is an anatomical space in ZFA. The MA treatment has advantages for representing the neuroepithelium, which should not be part of bone. Also check duct vs canal MA:0000249 MESH:D012665 One of three half-circular, interconnected tubes located inside each ear[WP]. TAO:0000431 UBERON:0001840 UMLS:C0036622 VHOG:0001144 XAO:0000198 ZFA:0000431 canalis semicircularis detects angular acceleration ductus semicirculares scc semicircular canals semicircular ducts uberon internal ear membranous labyrinth ear vesicle ectoderm-derived structure structure with developmental contribution from neural crest