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blastoderm

[ blas-tuh-durm ]
/ ˈblæs təˌdɜrm /
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noun Embryology.
the primitive layer of cells that results from the segmentation of the ovum.
the layer of cells forming the wall of the blastula, and in most vertebrates enclosing a cavity or a yolk mass.
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Origin of blastoderm

First recorded in 1855–60; blasto- + -derm

OTHER WORDS FROM blastoderm

blas·to·der·mic, blas·to·der·mat·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use blastoderm in a sentence

British Dictionary definitions for blastoderm

blastoderm
/ (ˈblæstəʊˌdɜːm) /

noun embryol
the layer of cells that surrounds the blastocoel of a blastula
a flat disc of cells formed after cleavage in a heavily yolked egg, such as a bird's egg
Also called: blastodisc

Derived forms of blastoderm

blastodermic, adjective
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
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