MeSH definition : 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.;
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.