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Glossary of Reproduction - Development Terms
beginning with letter E
Browse the Reproduction - Development Glossary
ectoderm
One of the three tissue layers in the embryo of a metazoan animal. Through development, it will produce the epidermis (skin) and nervous system of the adult.
ectomere
Any of the blastomeres from which the ectoderm forms
(context, zoology, countable) An approximately spherical or ellipsoidal body produced by birds, snakes, insects and other animals housing the embryo during its development.
(countable) The egg of a domestic fowl as an item of food.
(uncountable) The contents of one or more (hen's usually) eggs as a culinary ingredient, etc.
I also determine the minimal amount of egg required to make good mayonnaise.
(context, biology, countable) The female primary cell, the ovum.
To throw eggs at.
(with "on"): To encourage.
To add beaten egg (cooking).
the shell around an egg
(colour) a pale yellowish-whitish colour, like that of the eggshell.
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(colour) of a pale yellowish-whitish colour, like that of the eggshell.
Exhibiting the thinness, translucency or near-transparency, and fragility of an eggshell; as in eggshell porcelain.
embolic
(pathology) Of or relating to an embolus or an embolism.
Pertaining to emboly.
An unborn baby that is less developed than a foetus.
An organism in the earlier stages of development before it emerges from the egg, or before metamorphosis.
In viviparous animals, the young animal's earliest stages in the mother's body
In humans, usually the cell growth up to the end of the seventh week in the mother's body
(botany) A rudimentary plant contained in the seed.
The beginning; the first stage of anything.
The scientific study of embryos.
(embryology) Of or related to an embryo.
(figuratively) Something, especially a project, that is very new and is still evolving; something that has yet to reach its full potential.
endoderm
One of the three tissue layers in the embryo of a metazoan animal. Through development, it will produce the digestive system of the adult.
produced, originating or growing from within
of a disease, caused by factors within the body
epiblast
the outer layer of a blastula that, after gastrulation, becomes the ectoderm
exogamy
marriage to a person belonging to a tribe or group other than your own as required by custom or law
(biology) the fusion of two unrelated gametes
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