follow Dictionary.com

Capitol vs. capital? What's the difference?

blastula

[blas-chuh-luh] /ˈblæs tʃə lə/
noun, plural blastulas, blastulae
[blas-chuh-lee] /ˈblæs tʃəˌli/ (Show IPA).
Embryology
1.
the early developmental stage of an animal, following the morula stage and consisting of a single, spherical layer of cells enclosing a hollow, central cavity.
Compare blastocyst.
Origin of blastula
1885-1890
1885-90; < New Latin < Greek blast(ós) bud, sprout + New Latin -ula -ule
Related forms
blastular, adjective
blastulation
[blas-chuh-ley-shuh n] /ˌblæs tʃəˈleɪ ʃən/ (Show IPA),
noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
British Dictionary definitions for blastulation

blastulation

/ˌblæstjʊˈleɪʃən/
noun
1.
(embryol) the process of blastula formation

blastula

/ˈblæstjʊlə/
noun (pl) -las, -lae (-liː)
1.
an early form of an animal embryo that develops from a morula, consisting of a sphere of cells with a central cavity Also called blastosphere
Derived Forms
blastular, adjective
Word Origin
C19: New Latin; see blasto-
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
Cite This Source
Word Origin and History for blastulation

blastula

n.

embryonic state, 1875, Modern Latin, from Greek blastos "sprout, germ" + diminutive ending -ula.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
blastulation in Medicine

blastula blas·tu·la (blās'chə-lə)
n. pl. blas·tu·las or blas·tu·lae (-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.


blas'tu·lar adj.
blas'tu·la'tion (-lā'shən) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
blastulation in Science
blastula
  (blās'chə-lə)   
Plural blastulas or blastulae (blās'chə-lē')
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
blastulation in Culture
blastula [(blas-chuh-luh)]

The stage of an embryo that consists of just over a hundred cells — a stage reached about one week after fertilization. At this stage the cells are just at the very beginning of cellular differentiation and are said to be totipotent (See totipotency).

Note: This is the stage of development where embryonic stems cells can be harvested for medical research.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for blastula

Most English speakers likely know this word

Word Value for blastulation

0
19
Scrabble Words With Friends

Nearby words for blastulation