Definition of Ectoblast

1. Noun. The outer germ layer that develops into skin and nervous tissue.

Exact synonyms: Ectoderm, Exoderm
Generic synonyms: Germ Layer
Specialized synonyms: Neural Tube
Derivative terms: Ectodermal, Ectodermic

Definition of Ectoblast

1. n. The outer layer of the blastoderm; the epiblast; the ectoderm.

Definition of Ectoblast

1. Noun. (context: dated biology) the outer layer of the blastoderm; the ectoderm or epiblast ¹

¹ Source: wiktionary.com

Definition of Ectoblast

1. [n -S]

Medical Definition of Ectoblast

1. The outer layer of the blastoderm; the epiblast; the ectoderm. The outer envelope of a cell; the cell wall. Origin: Ecto- + Gr. Bud, germ. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Ectoblast

ectethmoid
ecthlipses
ecthlipsis
ecthorea
ecthoreum
ecthyma
ecthyma gangrenosum
ecthymas
ecthymata
ecthymatiform
ecthymatous syphilid
ectiris
ecto-
ectoATPase
ectoantigen
ectoblast (current term)
ectoblastic
ectoblasts
ectobronchium
ectocarpoid
ectocarpoids
ectocervices
ectochoroidea
ectocommensal
ectocommensal organism
ectocommensals

Literary usage of Ectoblast

Below you will find example usage of this term as found in modern and/or classical literature:

1. Journal of Morphology by Wistar Institute of Anatomy and Biology (1908)
"F, which shows a film-like layer of ectoblast closing the mouth of the cup, ... The inner layer of ectoblast has disappeared over the cavity of the vesicle, ..."

2. Proceedings of the American Philosophical Society Held at Philadelphia for by American Philosophical Society (1908)
"ectoblast always furnishes nervous elements, ... The oft-cited case of the Trematodes, to the effect that the embryo throws off its whole ectoblast, ..."

3. Science by American Association for the Advancement of Science (1901)
"... derived from the ectoblast, and a ' secondary mesoblast ' derived from the pole-cells, and forming the ' mesoblast bands ' in the ordinary sense. ..."

4. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1899)
"The villi develop rapidly from the ectoblast, penetrating the lining membrane of the womb. The villi can scarcely be said to grow into the glands of the ..."

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