The three membranous semicircular ducts within the bony semicircular canals. They open into the UTRICLE through five openings. Each duct has at one end a sensory area called the ampullary crest. AMPULLARY HAIR CELLS of the crests sense the movement of ENDOLYMPH resulting from rotation of the head.

DUI

D054776 MeSH Browser

CUI

M0507636

Previous indexing

Semicircular Canals (1971-2007); Vestibular Labyrinth (1971-2007)

History note

2008

Public note

2008