centrosphere

noun

1. Cell Biology. the protoplasm around a centrosome; the central portion of an aster, containing the centrosome.
2. Also called barysphere. Geology. the central or interior portion of the earth.

noun

1. a former name for core (def. 4)
2. another name for centrosome

n.

1. The mass of cytoplasm surrounding the centriole in a centrosome.