blastosphere

[ blas-tuh-sfeer ]

/ ˈblæs təˌsfɪər /

SEE MORE SYNONYMS FOR blastosphere ON THESAURUS.COM

noun Embryology.

a blastula, especially a blastocyst.

Nearby words

blastomere, blastomycete, blastomycosis, blastopor, blastopore, blastosphere, blastospore, blastostyle, blastula, blastulation, blasé

Origin of blastosphere

blasto- + -sphere

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for blastosphere

A limit is set to increase in the size of a blastosphere by the nature of the material of its walls.
The Biological Problem of To-day|Oscar Hertwig
There is a regular segmentation resulting in the formation of a blastosphere with a central segmentation cavity.
The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour
The segmentation is uniform, and a blastosphere, formed of a single layer of columnar cells, is the product of it.
The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour
When the egg of Amphioxus is in the blastosphere stage we cannot speak of either an epiblast or hypoblast.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour

One-half of the blastosphere may be pushed in towards the other half.
The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour

British Dictionary definitions for blastosphere

blastosphere

/ (ˈblæstəʊˌsfɪə) /

noun

another name for blastula

another name for blastocyst (def. 1)

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