noun Cell Biology.
the achromatic spindle with two asters that forms during mitosis.
Origin of amphiaster
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for amphiaster
Historical Examples of amphiaster
While these changes are going on in the chromatin the Amphiaster forms.
As the amphiaster grows the centrosomes are grouped in a plane at the equator of the spindle, forming the Equatorial Plate.
cytology the structure that occurs in a cell undergoing mitosis, consisting of a spindle with an aster at each end
Word Origin for amphiaster
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
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.diaster
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