| Name: | spermatocyte |
|---|---|
| Synonyms: | spermatocytes |
| Definition: | A male germ cell that develops from spermatogonia. The euploid primary spermatocytes undergo meiosis and give rise to the haploid secondary spermatocytes which in turn give rise to spermatids. |
| Ontology: | Anatomy Ontology [ZFA:0009005] |
| Name: | centrosome |
|---|---|
| Synonyms: | |
| Definition: | A structure comprised of a core structure (in most organisms, a pair of centrioles) and peripheral material from which a microtubule-based structure, such as a spindle apparatus, is organized. Centrosomes occur close to the nucleus during interphase in many eukaryotic cells, though in animal cells it changes continually during the cell-division cycle. |
| Ontology: | GO: Cellular Component [GO:0005813] QuickGO AmiGO |