cupulolith

cupulolith
n.
a particle derived from otoliths in the utricle of the inner ear, displaced from its normal site and attached to the cupula within the ampullary portion of one of the semicircular canals. Cuproliths are implicated in benign paroxysmal positional vertigo.

The new mediacal dictionary. 2014.

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  • benign paroxysmal positional vertigo — BPPV a common cause of vertigo in which the patient complains of brief episodes of rotatory vertigo precipitated by sudden head movements. It is thought to be due to microscopic debris derived from the otoliths of the utricle and displaced into… …   The new mediacal dictionary

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