blastoderm
Americannoun
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the primitive layer of cells that results from the segmentation of the ovum.
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the layer of cells forming the wall of the blastula, and in most vertebrates enclosing a cavity or a yolk mass.
noun
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the layer of cells that surrounds the blastocoel of a blastula
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a flat disc of cells formed after cleavage in a heavily yolked egg, such as a bird's egg
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Origin of blastoderm
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Such words as "blastoderm", "sindoc," "peris," "parasang," "sarcenet," "teazel," "nullah," "cantatrice," "barracan," "sistrum," writhed and hissed in her verses.
From Time Magazine Archive
"Are you full awake now, ye red-hot blastoderm?" gasped Graham, struggling to free himself when Gallagher gave him leave.
From Empire Builders by Hambidge, Jay
Embryonic tissue from the blastoderm of a chick.
From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)
This layer is the blastoderm, the simple epithelium from the cells of which all the tissues of the body proceed.
From The Evolution of Man — Volume 2 by Haeckel, Ernst Heinrich Philipp August
In this manner nucleated masses of protoplasm are continually being added to the periphery of the blastoderm and assisting in its growth.
From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
