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Related to extraembryonic: extraembryonic membranes
external to the embryo proper, as the extraembryonic coelom or the extraembryonic membranes.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Outside the embryonic body; for example, the extraembryonic membranes involved with the embryo's protection and nutrition that are discarded at birth.
Farlex Partner Medical Dictionary © Farlex 2012
Of or being a structure that is outside the embryo: extraembryonic membranes.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Outside the body of the embryo; referring, e.g., to membranes providing protection and nutrition but discarded at birth without being incorporated in the body.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
extraembryoniclying outside the embryo, e.g. EMBRYONIC MEMBRANE.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005