Male Reproductive System

Question 1

What do the external genitalia consist of?

Answer 1

Scrotum
Testes
Penis
Epididymis

Question 2

Describe the scrotum

Answer 2

Pouch of loose skin behind the penis and below the symphysis pubis
Divided into two sacs each containing one teste
Dartos muscle responsible for maintaining appropriate temperature for spermatogensis, 3 degrees lower than body temperature
Muscle contracts in relation to temperature, closer to groin is warmer

Question 3

Describe the testes

Answer 3

Make sex organs
Develop from structures high up in abdomen close to kidneys
Usually descend to scrotum 2 months before birth
Produces spermatozoa
Produces testosterone
3 layers to testes
Leydig cells produce testosterone

Question 4

Describe the epididymis

Answer 4

Structure that consists of head, body and tail situated over superior surface of testes

Question 5

Describe the penis

Answer 5

Highly vascular composed of root lying in the perineum and body surrounding the urethra
Body made up of erectile tissue
Prepuce- foreskin
Urethral meat us is where urine and sperm are released