blastocyst
[ blas-tuh-sist ]
/ ˈblæs tə sɪst /
noun Embryology.
the blastula of the mammalian embryo, consisting of an inner cell mass, a cavity, and an outer layer, the trophoblast.
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Words nearby blastocyst
blast injury, blast lamp, blasto-, blastochyle, blastocoel, blastocyst, blastocyte, blastocytoma, blastoderm, blastodermic vesicle, blastodisc
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British Dictionary definitions for blastocyst
blastocyst
/ (ˈblæstəʊˌsɪst) /
noun embryol
Also called: blastosphere the blastula of mammals: a sphere of cells (trophoblast) enclosing an inner mass of cells and a fluid-filled cavity (blastocoel)
another name for germinal vesicle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for blastocyst
blastocyst
[ blăs′tə-sĭst′ ]
n.
The modified blastula stage of mammalian embryos, consisting of the inner cell mass and a thin trophoblast layer enclosing the blastocoel.blastodermic vesicle
Other words from blastocyst
blas′to•cys′tic adj.The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for blastocyst
blastocyst
[ blăs′tə-sĭst′ ]
The modified blastula that is characteristic of placental mammals. It has an outer layer, known as a trophoblast, that participates in the development of the placenta. The inner layer of cells develops into the embryo.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.