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astrosphere

[as-truh-sfeer] /ˈæs trəˌsfɪər/
noun, Biology
1.
the central portion of an aster, in which the centrosome lies.
2.
the whole aster exclusive of the centrosome.
Origin
1895-1900
1895-1900; astro- + sphere
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for astrosphere

astrosphere

/ˈæstrəˌsfɪə/
noun (cytology)
1.
another name for centrosome
2.
Also called attraction sphere. the part of the aster excluding the centrosome
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
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astrosphere in Medicine

astrosphere as·tro·sphere (ās'trō-sfēr')
n.
A set of radiating fibrils extending outward from the centrosome and centrosphere of a dividing cell. Also called aster, attraction sphere.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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