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Semicircular canals

Definition

noun

The three half-circular, interconnected tubular canals in the inner ear, namely the horizontal semicircular canal, anterior semicircular canal and posterior semicircular canal.


Supplement

The semicircular canals are one of the two major parts of the vestibular apparatus, the other being the vestibule of the ear.

In mammals, the size of the semicircular canals is correlated with their type of locomotion. Specifically, species that are agile and have fast, jerky locomotion have larger canals relative to their body size than those that move more cautiously.


Variant: saemicircular canals

See also: vestibular apparatus


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Please help!

What exactly happens in the semicurcular canals when a person begin to spin off balance? As far as I understand, during normal rotational movement endolymph in semicircular canals moves in the opposite direction of the body's rotation due to inertia, that ...

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by Vangeek
Fri Oct 03, 2008 8:19 pm
 
Forum: Human Biology
Topic: Please help!
Replies: 2
Views: 4235

Help! Question re: semicircular canals

Can someone please explain the events that occur in the semicircular canals as a person begins to lose balance??? many thanks!

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by Ajumenai
Wed Apr 25, 2007 6:14 pm
 
Forum: Human Biology
Topic: Help! Question re: semicircular canals
Replies: 1
Views: 1523


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