Name the cells found inside the seminiferous tubules sex cells (spermatogonia) Which cells contribute making blood? cell barrier in testes- Sertoli cells Name the hormone produced by Sertoli cells Estrogen What is spermatogenesis? the process of formation of spermatozoa in testes. How many spermatozoa are produced from each primary spermatocyte? Four What is capacitation? sperms undergo some changes in the female genitalia before becoming capable of fertilizing an ovum. This is the process. What are the changes that take place in sperm morphology during capacitation? outer cells on membrane disappear. Which hormone is produced by Leydig s cells or interstitial cells? Testosterone What are the functions of hormone testosterone? maintains libido and may enhance aggressive behavior, induces male secondary sex characters, maintains functioning of male accessory sex glands, stimulates protein metabolism and bone growth, helps in spermatogenesis and controls the secretion of GnRH from hypothalamus. Which hormone is responsible for maintaining secondary sex characters and libido in males Testosterone What is the effect of hormone