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Semicircular Canals

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Definition: Three 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.     
Examples Semicircular Ducts 		Other names Semicircular Canal; Canals, Semicircular; Canal, Semicircular
 
SubstanceCAS Registry & nameCategoriesSource
Lateral semicircular canal malformation, familial, with external and middle ear abnormalities  0   *Abnormalities, Multiple Ear/abnormalities Semicircular Canals/abnormalities.

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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