Sertoli cells are those which act as ''nurse cells'' to the developing spermatozoa. The sertoli cells engulf the spermatozoa, are structurally important in the seminiferous tubules and form the blood-testis barrier. | Sertoli cells are those which act as ''nurse cells'' to the developing spermatozoa. The sertoli cells engulf the spermatozoa, are structurally important in the seminiferous tubules and form the blood-testis barrier. |