as·tro·sphere

(ăs′trō-sfîr′)

1. The central portion of a cell aster exclusive of the rays.

2. The entire cell aster with the exception of the centrosome.

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.

astrosphere

(ˈæstrəˌsfɪə)

1. (Genetics) another name for centrosome

2. (Biology) Also called: attraction sphere the part of the aster excluding the centrosome

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

astrosphere

1. the central part of an aster, containing the centrosome.
2. the whole aster excluding the centrosome.

See also: Biology

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