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chorio-

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  1. a combining form meaning “chorion,” “choroid,” used in the formation of compound words: chorioallantois.
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Also chori-.

Origin of chorio-

combining form representing Greek chórion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

chorio- in Medicine

chorio-

pref.
  1. Chorion:chorioadenoma.
  2. Choroid coat:chorioretinitis.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.