the central portion of an aster, in which the centrosome lies.
the whole aster exclusive of the centrosome.
noun (cytology)
another name for centrosome
Also called attraction sphere. the part of the aster excluding the centrosome

astrosphere as·tro·sphere (ās’trō-sfēr’)
A set of radiating fibrils extending outward from the centrosome and centrosphere of a dividing cell. Also called aster, attraction sphere.


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