National Library of Medicine - Medical Subject Headings

2014 MeSH

MeSH Descriptor Data

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Semicircular Canals
MeSH HeadingSemicircular Canals
Tree NumberA09.246.631.663
Scope NoteThree long canals (anterior, posterior, and lateral) of the bony labyrinth. They are set at right angles to each other and are situated posterosuperior to the vestibule of the bony labyrinth ( VESTIBULAR LABYRINTH). The semicircular canals have five openings into the vestibule with one shared by the anterior and the posterior canals. Within the canals are the SEMICIRCULAR DUCTS.
Allowable QualifiersAB AH BS CH CY DE EM EN GD IM IN IR ME MI PA PH PP PS RA RE RI SE SU TR UL US VI
Date of Entry19990101
Unique IDD012665


MeSH Tree Structures

 
Sense Organs [A09]
   Ear [A09.246]
      Ear, Inner [A09.246.631]
Cochlea [A09.246.631.246]  +
Arrow pointing to current tree nodeSemicircular Canals [A09.246.631.663]
Semicircular Ducts [A09.246.631.663.500]  +
Vestibule, Labyrinth [A09.246.631.909]  +

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