allantochorion

allantochorion definition - medical

al·lan·to·cho·ri·on (ə-lănˌtō-kôrˈē-ŏnˌ)

noun
The extraembryonic membrane formed by the fusion of the allantois and the chorion.

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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