trophoblast

[ trof-uh-blast, troh-fuh- ]

/ ˈtrɒf əˌblæst, ˈtroʊ fə- /

noun Embryology.

the layer of extraembryonic ectoderm that chiefly nourishes the embryo or develops into fetal membranes with nutritive functions.

Origin of trophoblast

First recorded in 1885–90; tropho- + -blast

OTHER WORDS FROM trophoblast

troph·o·blas·tic, adjective

Words nearby trophoblast

trophic, trophic level, trophic ulcer, trophied, tropho-, trophoblast, trophoblastic lacuna, trophoblastoma, trophoderm, trophodermatoneurosis, trophoneurosis

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for trophoblast

trophoblast

/ (ˈtrɒfəˌblæst) /

noun

the outer layer of cells of the embryo of placental mammals, which is attached to the uterus wall and absorbs nourishment from the uterine fluids

Derived forms of trophoblast

trophoblastic, adjective

Word Origin for trophoblast

C19: from tropho- + -blast

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 trophoblast

trophoblast

[ trō′fə-blăst′ ]

n.

The outermost layer of cells of the blastocyst that attaches the fertilized ovum to the uterine wall and serves as a nutritive pathway for the embryo.trophoderm

Other words from trophoblast

tro′pho•blas′tic adj.

Scientific definitions for trophoblast

trophoblast

[ trō′fə-blăst′ ]

The outermost layer of cells of the blastocyst, which attaches the fertilized ovum to the uterine wall and serves as a nutritive pathway for the embryo. The trophoblast eventually differentiates into such tissues as the amnion, the placenta, and the umbilical cord.

单词	trophoblast
释义	trophoblast [ trof-uh-blast, troh-fuh- ] / ˈtrɒf əˌblæst, ˈtroʊ fə- / noun Embryology. the layer of extraembryonic ectoderm that chiefly nourishes the embryo or develops into fetal membranes with nutritive functions. Origin of trophoblast First recorded in 1885–90; tropho- + -blast OTHER WORDS FROM trophoblast troph·o·blas·tic, adjective Words nearby trophoblast trophic, trophic level, trophic ulcer, trophied, tropho-, trophoblast, trophoblastic lacuna, trophoblastoma, trophoderm, trophodermatoneurosis, trophoneurosis Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for trophoblast trophoblast / (ˈtrɒfəˌblæst) / noun the outer layer of cells of the embryo of placental mammals, which is attached to the uterus wall and absorbs nourishment from the uterine fluids Derived forms of trophoblast trophoblastic, adjective Word Origin for trophoblast C19: from tropho- + -blast 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 trophoblast trophoblast [ trō′fə-blăst′ ] n. The outermost layer of cells of the blastocyst that attaches the fertilized ovum to the uterine wall and serves as a nutritive pathway for the embryo.trophoderm Other words from trophoblast tro′pho•blas′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 trophoblast trophoblast [ trō′fə-blăst′ ] The outermost layer of cells of the blastocyst, which attaches the fertilized ovum to the uterine wall and serves as a nutritive pathway for the embryo. The trophoblast eventually differentiates into such tissues as the amnion, the placenta, and the umbilical cord. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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