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Definition of Idiopathy

Idiopathy: A disease or medical condition of unknown origin or which has no apparent cause. As in the idiopathy of cancer.

From the New Latin idiopathia (primary disease), from the Greek idiopatheia, from idio-, from idios (one's own, personal) + -patheia, -pathy (feeling, suffering).

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012

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