Spermatogenesis is the development of the mature male germ cells called sperm cells or spermatozoa. Primordial germ cells, the founder cells of the germ line, develop through several immature ...

Caitlyn Perry receives funding from the Australian Research Council. The common fruit fly (Drosophila melanogaster), more correctly called the vinegar fly, is a frequent visitor to ripe fruit in ...

Welshons and Russell 1 demonstrated in their histological observations on the testis of X-irradiated adult Drosophila males that secondary spermatogonia and young primary spermatocytes are easily ...