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Related to gastrulation: organogenesis
the process by which a blastula becomes a gastrula or, in forms without a true blastula, the process by which three germ cell layers are acquired.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Transformation of the blastula or blastocyst into the gastrula; the development and invagination of the embryonic germ layers. In human embryos, gastrulation is the process by which the bilaminar embryonic disk is converted into a trilaminar embryonic disk.
Farlex Partner Medical Dictionary © Farlex 2012
Transformation of the blastula or blastocyst into the gastrula; the development and invagination of the embryonic germ layers.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
gastrulationthe process by which the BLASTULA forms the GASTRULA.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005