D defs.my
Entry 2 senses Webster, 1913

Attraction sphere

· At·trac·tion sphere · IPA
01 The central mass of the aster in mitotic cell division; centrosphere.
  1. 1.
    The central mass of the aster in mitotic cell division; centrosphere.(Zool.)
  2. 2.
    A small body situated on or near the nucleus in the cells of some of the lower plants, consisting of two centrospheres containing centrosomes. It exercises an important function in mitosis.(Bot.)