Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The outer layer of a blastula that gives rise to the ectoderm after gastrulation.
from The Century Dictionary.
- noun In botany, a name applied by Richard to a second small cotyledon which is found in wheat and some other grasses.
- noun In embryology, the outer or external blastodermic membrane or layer of cells, forming the ectoderm or epiderm: distinguished at first from
hypoblast , then from both hypoblast and mesoblast. See cut underblastocæle .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Biol.) The outer layer of the blastoderm; the ectoderm. See
blastoderm ,delamination .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biology the outer layer of a
blastula that, aftergastrulation , becomes theectoderm
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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It has long been known that certain cells of an early mammalian embryo—known as epiblast cells—can naturally become primordial germ cells, which, in turn, give rise to sperm or eggs.
Sterile Mice Made Fertile in Stem-Cell Breakthrough Gautam Naik 2011
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It has long been known that certain cells of an early mammalian embryo -- known as epiblast cells -- can naturally become primordial germ cells, which, in turn, give rise to sperm or eggs.
FOXNews.com 2011
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During mouse embryo development, the blastocyst differentiates into pluripotent primitive ectoderm and gives rise to a structure known as the epiblast
PLoS ONE Alerts: New Articles Yuh-Man Sun et al. 2008
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Ectoblast: the outer wall of a cell; the ectoderm or epiblast.
Explanation of Terms Used in Entomology John. B. Smith
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It is based upon the fact that the histological differentiation of the epidermis of their root is that generally characteristic of Monocotyledons, whilst they have two cotyledons -- the old view of the epiblast as a second cotyledon in Gramineae being adopted.
Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 Various
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The outer layer of this double-walled sac is called the epiblast.
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A mammalian tooth has essentially the same structure: an outer coat of enamel, derived from epiblast, overlies a mass of dentine, resting on bone, but the dentine is excavated internally, to form a pulpcavity containing blood-vessels and nerves.
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The neural folds ultimately bend over and meet above, so that s.c. becomes a canal, and is finally separated from the epiblast to form the spinal cord.
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The remainder of the epiblast constitutes the epidermis.
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From the epiblast the epidermis (not the dermis), the nervous system
ruzuzu commented on the word epiblast
From The Century Dictionary and Cyclopedia:
"In botany, a name applied by Richard to a second small cotyledon which is found in wheat and some other grasses.
In embryology, the outer or external blastodermic membrane or layer of cells, forming the ectoderm or epiderm: distinguished at first from hypoblast, then from both hypoblast and mesoblast. See cut under blastocæle."
June 21, 2018
bilby commented on the word epiblast
No -blast list? No blasted lists?
June 24, 2018
ruzuzu commented on the word epiblast
Blast! I nominate you to make the list, bilby.
June 25, 2018