chorionic(redirected from chorionic girdle)
Also found in: Medical.
The outer membrane enclosing the embryo in reptiles, birds, and mammals. In placental mammals it contributes to the development of the placenta.
cho′ri·on′ic (-ŏn′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
|Adj.||1.||chorionic - of or relating to a chorion; "a chorionic villus is a minute vascular projection on the fetal chorion"|
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