noun
pl. -·las or -·lae· an embryo at the stage of development in which it consists of usually one layer of cells around a central cavity, forming a hollow sphere
Origin of blastula
ModL, diminutive from Classical Greek blastos, a sproutblastula
blas·tu·laWebster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Link to this page
Cite this page
MLA Style
"blastula." YourDictionary, n.d. Web. 05 December 2018. <https://www.yourdictionary.com/blastula>.
APA Style
blastula. (n.d.). Retrieved December 05th, 2018, from https://www.yourdictionary.com/blastula
blastula
noun
pl. blas·tu·las, or blas·tu·laeAn early embryonic form produced by cleavage of a fertilized ovum and consisting of a spherical layer of cells surrounding a fluid-filled cavity. Also called blastosphere .
Origin of blastula
New Latin from Greek blastos bud Latin -ula feminine diminutive suff.Related Forms:
- blas′tu·lar
adjective
- blas′tu·la′tion
noun
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Link to this page
Cite this page
MLA Style
"blastula." YourDictionary, n.d. Web. 05 December 2018. <https://www.yourdictionary.com/blastula>.
APA Style
blastula. (n.d.). Retrieved December 05th, 2018, from https://www.yourdictionary.com/blastula
Plural blastulas
An animal embryo at the stage immediately following the division of the fertilized egg cell, consisting of a ball-shaped layer of cells around a fluid-filled cavity known as a blastocoel.
Compare gastrula See also blastocyst
Link to this page
Cite this page
MLA Style
"blastula." YourDictionary, n.d. Web. 05 December 2018. <https://www.yourdictionary.com/blastula>.
APA Style
blastula. (n.d.). Retrieved December 05th, 2018, from https://www.yourdictionary.com/blastula
Noun
(plural blastulas or blastulae)
- (embryology) An early form in the development of an embryo, consisting of a spherical layer of cells filled with fluid; a blastosphere.
Origin
From New Latin, diminutive of Ancient Greek βλαστός (blastos, “a germ, bud, sprout, shoot”), from βλαστάνειν (blastanein, “to bud, sprout, grow, properly of plants, but also of animals”).
English Wiktionary. Available under CC-BY-SA license.
Link to this page
Cite this page
MLA Style
"blastula." YourDictionary, n.d. Web. 05 December 2018. <https://www.yourdictionary.com/blastula>.
APA Style
blastula. (n.d.). Retrieved December 05th, 2018, from https://www.yourdictionary.com/blastula
blastula - Medical Definition
n.
pl. blastulas or blastulae (-lē′)An early embryonic form produced by cleavage of a fertilized ovum and consisting of a spherical layer of cells surrounding a fluid-filled cavity. Also called blastosphere
Related Forms:
- blas′tu·lar
adj.
- blas′tu·la′tion (-lā′shən)
n.
The American Heritage Dictionary of Medicine © 2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Link to this page
Cite this page
MLA Style
"blastula." YourDictionary, n.d. Web. 05 December 2018. <https://www.yourdictionary.com/blastula>.
APA Style
blastula. (n.d.). Retrieved December 05th, 2018, from https://www.yourdictionary.com/blastula
