blastoderm
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.
Origin of blastoderm
1Other words from blastoderm
- blas·to·der·mic, blas·to·der·mat·ic, adjective
Words Nearby blastoderm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use blastoderm in a sentence
For hardening the blastoderm I have employed, as usual, chromic acid, and also gold chloride.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourIf the outlines only of the cells are to be examined, a very short immersion (half a minute) of the blastoderm in a half per cent.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourMy observations begin with the blastoderm of a freshly laid egg.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourThe changes which the blastoderm undergoes during the first three or four hours of incubation are not very noticeable.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland BalfourI have already spoken of the gradation of the hypoblast at the edge of the blastoderm into white yolk.
The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
British Dictionary definitions for blastoderm
/ (ˈblæstəʊˌdɜːm) /
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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