LH - Luteinizing hormone
Testosterone
FSH - Follicle stimulating hormone
Scrotum
Testes
Seminiferous tubules
Interstitial cells
Sperm
Head
Acrosome
Body
Tail
Epididymis
Vas deferens
Ejaculatory duct
Urethra
Glans penis
Baculum
Semen
Sterile / Impotent
Environmental estrogens
Seminal vesicles
Prostaglandins
Prostate gland
Bulbourethral gland
Seminiferous Tubules --> Epididymis --> Vas Deferens --> Ejaculatory Duct --> Urethra