the portion of the uterine mucosa enclosing the implanted conceptus.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
epichorion(ĕp″ĭ-kō′rē-ŏn) [″ + chorion]
The portion of the endometrium that covers the implanted early embryo.
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