The main percentage of a cell aster exclusive for the rays.
the whole mobile aster except for the centrosome.
A cavity filled up with hot gas blown to the interstellar method by stellar winds.
In cytology: when you look at the karyokinetic figure, the central portion of the aster, inclusive of the spot where centrosome lies, but exclusive regarding the astral rays; the attraction-sphere of Van Beneden. Fol, 1891; Strasburger, 1892. See cut at aster, 7.
your whole aster, unique associated with the centrosome; the astral world of Mark.