blastosphere


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blas·to·sphere

 (blăs′tə-sfîr′)
n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

blastosphere

(ˈblæstəʊˌsfɪə)
n
1. (Biology) another name for blastula
2. (Biology) another name for blastocyst1
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.blastosphere - early stage of an embryo produced by cleavage of an ovumblastosphere - early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
conceptus, fertilized egg, embryo - an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
blastocele, blastocoel, blastocoele, cleavage cavity, segmentation cavity - the fluid-filled cavity inside a blastula
blastocyst, blastodermic vessicle - the blastula of a placental mammal in which some differentiation of cells has occurred
trophoblast - the membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall; "after implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
All organs and systems have to be fully functional during every stage of the process, zygote to blastosphere to embryo to fetus.
By train: Blastosphere!, a new play by Bay Area favorites Aaron Loeb and Geetha Reddy that is, among other things, about pop rocks (Central Works, Berkeley, Calif., Oct.
Geetha Reddy's Safe House was selected for the Playwrights Foundation's 2008 Bay Area Playwrights Festival, and she and Loeh are co-writing Blastosphere! for Berkeley's Central Works this October.