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[am-fee-as-ter] /ˈæm fiˌæs tər/
noun, Cell Biology.
the achromatic spindle with two asters that forms during mitosis.
Origin of amphiaster
First recorded in 1880-85; amphi- + -aster2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for amphiaster


(cytology) the structure that occurs in a cell undergoing mitosis, consisting of a spindle with an aster at each end
Word Origin
C19: from amphi- + New Latin aster; see aster
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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amphiaster in Medicine

amphiaster am·phi·as·ter (ām'fē-ās'tər)
A double-star figure present in the cell during mitosis, consisting of two astrospheres connected by a spindle, formed just before the division of the nucleus. Also called diaster.

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