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.

Origin of astrosphere

First recorded in 1895–1900; astro- + sphere

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

Medical 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