Attraction sphere

·add. ·- the mass of archoplasm left by the aster in the resting cell.

II. Attraction sphere ·add. ·- The central mass of the aster in mitotic cell division; centrosphere.

III. Attraction sphere ·add. ·- 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.