This is just here as a test because I lose it

Term information



depicted by

has related synonym

external semicircular duct

homology notes

Gnathostome ears have a horizontal semicircular duct. This brings their complement to three semicircular ducts, a pattern retained throughout gnathostome evolution. [ISBN:978-0030223693 Liem KF, Bemis WE, Walker WF, Grande L, Functional Anatomy of the Vertebrates: An Evolutionary Perspective (2001) p.58] ; In gnathostomes, each membranous labyrinth has three semicircular ducts that connect with a chamber known as the utriculus.[well established][VHOG]