(n.) A peculiar rounded body lying near the nucleus of a cell. It is regarded as the dynamic element by means of which the machinery of cell division is organized.

Golgi apparatus aster basal body cell membrane central apparatus central body centriole centroplasm centrosome centrosphere chloroplast chromoplast cytocentrum flagella kinoplasm microbody microcentrum mitochondrion pili plasmodesmata plastid plastosome ribosome spherosome spindle fibers vacuole