con·cep·tus
(kən-sĕp′təs)n.
The product of conception at any point between fertilization and birth, especially the embryo and the extraembryonic membranes.
[Latin, something conceived; see concept.]
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.
conceptus
(ˈkɒnsɛptəs)n
any of various products of conception, including the embryo, fetus, and surrounding tissue
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
con•cep•tus
(kənˈsɛp təs)n., pl. -tus•es.
an embryo or fetus and all its associated membranes.
[1935–40; < New Latin; Latin: the action of conceiving, hence, fetus, embryo <concipere to conceive]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. |  conceptus - an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval lifeanimal, animate being, beast, creature, fauna, brute - a living organism characterized by voluntary movement blastosphere, blastula - early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs gastrula - double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm morula - a solid mass of blastomeres that forms when the zygote splits; develops into the blastula umbilical, umbilical cord - membranous duct connecting the fetus with the placenta |
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