[ am-fee-as-ter ]
/ ˈæm fiˌæs tər /
noun Cell Biology.
the achromatic spindle with two asters that forms during mitosis.
TAKE ROUND 2 OF OUR PSAT VOCABULARY QUIZ!
Here is our second set of teacher-selected PSAT vocabulary words. Do you know the meanings of these terms?
Question 1 of 10
Words nearby amphiaster
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for amphiaster
As the amphiaster grows the centrosomes are grouped in a plane at the equator of the spindle, forming the Equatorial Plate.
While these changes are going on in the chromatin the Amphiaster forms.
British Dictionary definitions for amphiaster
/ (ˈæmfɪˌæstə) /
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
Medical definitions for amphiaster
[ ăm′fē-ăs′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.diaster
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.