1. Structure and Fxn of epididymis, vas deferens, and urethra
MT: Male Reproductive System

3. Structure of Epididymis
Single, tightly coiled tube
~ 20 feet in length!
Has head, body, and tail section
Connects seminiferous tubules to vas deferens

5. Fxn of Epididymis Duct in which sperm travels through
Stores spermatozoa while they mature
Secretes a small amount of seminal fluid (semen)

6. Structure of Vas Deferens
Tube that has thick muscular walls
Can be felt in the scrotum as a movable cord
Has 3 layers of muscle

8. Fxn of Vas Deferens
Muscles inside vas deferens contract to propel sperm

9. Structure of Urethra Small tube lined with mucous ~ 8 inches
Starts at urinary bladder, then passes through the prostate gland, joins with two ejaculatory ducts, and goes down center of penis

11. Fxn of Urethra Excrete urine from the urinary bladder Expel semen
Can semen and urine exit the penis at the same time? See page 828 for the answer.