Area Codes are what you need to know the area/state/country/county that someone lives in. Area codes are used for making telephone calls. Zip codes are used for mailing things to people's houses. zip codes are also used to know what state/city/country/county someone lives in. TLC FO LIFE: SINCE 7/27/92 Â· 9 years ago.
Spermatogenesis is the process in which spermatozoa are produced from male primordial germ cells by way of mitosis and meiosis.he location [Testes/Scrotum] is specifically important as the process of spermatogenesis requires a lower temperature to produce viable sperm, specifically 1Â°-8 Â°C lower than normal body temperature of 37 Â°C (98.6 Â°F).
Hormones produced by the Leydig cell stimulate sperm production indirectly, by acting on the nurse cells, which in turn regulate the sperm cells. From start to finish, it takes approximately 70 days to make sperm, and sperm in various stages of development can be found throughout the testis.