Reproductive

Question 1

endometrium

Answer 1

uterus lining that is built up and lost each month as menstrual flow, usual site of implantation

Question 2

gonads vs germ cells

Answer 2

ovaries/testes vs eggs/sperm

Question 3

seminal vesical

Answer 3

pair of glands, produces fluid for sperm and thickens semen

Question 4

prostate gland

Answer 4

produces alkaline secretions that activate sperm, reduces acidity

Question 5

bulbourethral gland

Answer 5

pair of glands, produces mucous secretion before ejaculation that neutralizes acidic urine in urethra

Question 6

epidymis

Answer 6

pair of ducts, sperm are stored and mature

Question 7

vasocongestion

Answer 7

tissues fill w/ blood (sexual arousal)

Question 8

myotonia

Answer 8

muscles undergo rhythmic sustained contraction (sexual arousal)

Question 9

4 stages of arousal

Answer 9

1. excitement
2. plateau
3. orgasm
4. resolution

Question 10

corpus cavernosa

Answer 10

an erectile tissue

Question 11

erection

Answer 11

parasympathetic n.s. -> nitric oxide released -> cGMP in cells -> dilation of vessels -> filled with blood -> erection

Question 12

erectile dysfunction

Answer 12

erectile tissue does not expand enough to compress veins

Question 13

viagra

Answer 13

blocks phosphodiesterase that breaks down cGMP and prolongs erections

Question 14

spermatogenesis

Answer 14

sperm production (meiosis, all 4 N cells generate sperm)

Question 15

oogenesis

Answer 15

egg production (meiosis, 1 egg + 2-3 polar bodies formed)

• polar bodies hold discarded chromosomes -> disintegrate
• all eggs (400k) already produced by puberty
• 1 egg released/month