astrosphere

[ as-truh-sfeer ]
/ ˈæs trəˌsfɪər /

noun Biology.

the central portion of an aster, in which the centrosome lies.
the whole aster exclusive of the centrosome.

Nearby words

  1. astronomy,
  2. astrophotography,
  3. astrophotometry,
  4. astrophysicist,
  5. astrophysics,
  6. astrotourist,
  7. astroturf,
  8. astroturfing,
  9. asturian,
  10. asturias

Origin of astrosphere

First recorded in 1895–1900; astro- + sphere

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


British Dictionary definitions for astrosphere

astrosphere

/ (ˈæstrəˌsfɪə) /

noun cytology

another name for centrosome
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

Medicine definitions for astrosphere

astrosphere

[ ăstrō-sfîr′ ]

n.

A set of radiating fibrils extending outward from the centrosome and centrosphere of a dividing cell.aster attraction sphere

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