Male Reproductive Function
• Anatomy
• Hormonal Control
• Pathophysiology
Male Reproductive Function
• Anatomy
• Hormonal Control
• Pathophysiology
Cross-section of seminiferous tubule
Male Reproductive Function
• Anatomy
• Hormonal Control
• Pathophysiology
Hypothalamo-pituitary-gonadal axisGnRH
FSHLH
Leydig cells
testosterone
Sertoli cells
Androgen binding proteins inhibin
-?
-
spermatogonia
T response to 5 minute conversation
0
10
20
30
40
talking to males talking to females
% in
crea
se in
T
Male Reproductive Function
• Anatomy
• Hormonal Control
• Pathophysiology
Pathophysiology• Precocious Puberty• Temperature Sensitivity of Sperm Production• Hypogonadism
– hyperprolactinemia– Feminizing adrenocortical carcinoma– Cannabinoids– HIV
• Hypergonadism• Gynocomastia• use of anabolic steroids• Environmental effects on sperm count