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Semicircular Ducts MeSH Descriptor Data 2022


MeSH Heading
Semicircular Ducts
Tree Number(s)
A09.246.300.663.500
A09.923.125
Unique ID
D054776
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D054776
Scope Note
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.
Entry Term(s)
Ampullary Crest
Crista Ampullaris
Previous Indexing
Semicircular Canals (1971-2007)
Vestibular Labyrinth (1971-2007)
Public MeSH Note
2008
History Note
2008
Date Established
2008/01/01
Date of Entry
2007/07/09
Revision Date
2021/06/30
Semicircular Ducts Preferred
Ampullary Crest Narrower
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