Write the location and function of the following in human testes: (a) Sertoli cells (b) Leydig cells

(a) Sertoli cells are located within the seminiferous tubules of the testes. Function: They provide nutrition to the developing sperms (b) The Leydig cells are located in the interstitial spaces between the seminiferous tubules. Function: They synthesize and secrete androgen hormones (like testosterone).