Vitamins: essential organic nutrients, required in small amounts, that cannot be synthesized by the body. Required for growth, maintenance, reproduction and lactation. Vitamin deficiency: decline in health due to the lack of a vitamin in a ration.itamins: essential organic nutrients, required in small amounts, that cannot be synthesized by the body. Required for growth, maintenance, reproduction and lactation. Vitamin deficiency: decline in health due to the lack of a vitamin in a ration.
Spermatogenesis is the process by which the male gametes, called sperm, are created. Spermatogenesis takes place in the seminiferous tubules, which are an intricate system of tubules in the testes where spermatogenesis takes place.
Spermatogenesis: sperm production Testes: located in the scrotum, produces testosterone which stimulates production of sperm Testosterone: male sex hormone secreted by the leydig cells of the testes, vital for the production of sperm TURP: transurethral resection of the prostate.