idiopathy

idiopathy definition - medical

id·i·op·a·thy (ĭdˌē-ŏpˈə-thē)

noun
  1. A disease of unknown origin or cause.
  2. A primary disease arising spontaneously with no apparent external cause.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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