Male reproductive regulation

male secondary sex characteristics

Body hair & deep voice

Thicker, oilier skin

Increased size and density of bones

How does FSH indirectly stimulate spermatogenesis?

follicle-stimulating hormone indirectly stimulates spermatogenesis by prompting the sustentocytes to secrete androgen-binding protein, androgen-binding protein keeps the concentration of the testosterone high in the vicinity of the spermatogenic cells, which directly stimulates spermatogenesis

Dihydrotestosterone

develops prostate + male external genitalia

Hypothalamic regulation of male reproductive organs

FSH and LH release