Penile anatomy

Question 1

what are the 2 actions of the testis?

Answer 1

produce sperm and secrete testosterone

Question 2

in the testis: LH –> ___ cells produce ___

Answer 2

Leydig cells produce testosterone

Question 3

how many sperm does a man produce each day?

Answer 3

70-100 million

Question 4

how long is spermatogenesis in testis?

Answer 4

70 days

Question 5

maturation of sperm in epididymis takes how long?

Answer 5

< 2 weeks

Question 6

scrotum- what does it do (including few facts- 4 things total)

Answer 6

houses 2 testicles outside the body which makes them prone to injury but easy to examine. This keeps la lower temp for optimal sperm production

Question 7

what contains the urethra?

Answer 7

corpus spongiosum

Question 8

what is the erectile mechanism?

Answer 8

corpora cavernosa

Question 9

what surrounds the erectile tissue?

Answer 9

tunica albuginea

Question 10

what dose the seminal vesicles do?

Answer 10

secretes 70% of fluid component of semen= energy/fluidity for sperm

Question 11

4 facts about testicular masses

Answer 11

firm/sold
painless
do not transilluminate
usually malignant

Question 12

3 facts about scrotal/epididymis/spermatic cord masses

Answer 12

painful
transilluminate
usually benign

Question 13

what is circumcision?

Answer 13

surgical remocal of the foreskin of the penis

Question 14

what are “medical benefits of” circumcision? (5)

Answer 14

decrease risk of UTI, penile CA, HPV, HIV< STIs, etc (also better for hygiene)

Question 15

what are cons for circumcision?

Answer 15

surgical risk of infant (hemorrhage, pain/trauma, infection), decrease sensation, decrease mother/child bonding