Male reproduction tract

What are the functions of the male reproductive tract?

• detect females in estrus(heat)

What is the Scrotum?

• 2-lobed pouch that houses testes

• physical barrier to environment

• helps with temp regulation

• movement

What are the layers to the Scrotum?

• skin and tunica dartos muscle - pulls or pushes to help reg temp

• cremaster

• scrotal fascia

• tunica vaginalis

What are the testes?

• male gonads

• function to produce spermatozoa

• produce male hormones such as testosterone

What is Cryptorchidism?

• failure of one or both of testes to descend into scrotum

  • which is a heritable trait

  • still produces testosterone but no sperm

What is the Spermatogenesis?

• formation of spermatozoa

• seminiferous tubles —> germtertoli

• requires hormones FSH and LH

What are sertoli?

“Nurse Cells”

What are leydig cells?

Interstitial cells

What is the youngest gamete?

Spermatogonia

What is the sophmore gamete?

spermatocytes

What is the junior gamete?

spermatids

What is the senior gamete?

Spermatozoa

What is the epididymis?

High convoluted duct attached to the tunica albuginea

What is the function of the Epididymis?

• sperm transport

• spermatozoa maturation

• concertation of spermatozoa

• storage reservoir