lecture 7, 8, 9

Question 1

leydig cells secret testosterone in response to what hormones?

Answer 1

in resposne to LH delivered in the blood flow to the testes

Question 2

where are sperm produced?

Answer 2

seminiferous tubules

Question 3

what path do the sperm follow after leaving the seminiferous tubules?

Answer 3

carried through vasa efferentia into ductus epididymis and then into the vas deferens

Question 4

what does the spermatic cord contain?

Answer 4

vas deferens, nerves, and blood vessels

Question 5

what hormone do sertoli cells respond to?

Answer 5

testosterone

Question 6

what hormones do the sertoli cells produce and what do these hormones affect?

Answer 6

produce and secrete activin and inhibin: activin activates production of FSH and stimulates coiling of seminiferous tubules. inhibin inhibits production of FSH

Question 7

what subunits are activin and inhibin composed of?

Answer 7

activin (beta beta)

inhibin (alpha beta)

Question 8

what other hormone is released by the sertoli cells that bind to and gather testosterone?

Answer 8

Androgen binding protein

Question 9

what does aromatase do?

Answer 9

converts testosterone into estrogen

Question 10

that is STP and what does it do?

Answer 10

steroidogenesis stimulating protein- stimulates production of testosterone in leydig cells

Question 11

where is the seminal vesicle located?

Answer 11

present slightly below and twoards the back of the urinary bladder

Question 12

the seminal vesciles produce how much of the total volume of semen?

Answer 12

60-70%

Question 13

what does the seminal vescile produce?

Answer 13

sticky white-yellowish fluid that is basic in pH and contains frutose and prostoglandins

Question 14

what is the fuction of prostoglandins

Answer 14

helps the uterus to contract

Question 15

what does the prostate contribute to semen?

Answer 15

makes the semen alkaline, contains acid phosphatase that is activated when acid is present and causes the sperm to clot and avoid damage from acidic vagina. also contains decoagulase a declotting factor that helpws the sperm to unclot in order to move towards egg

Question 16

what does the bulbourethral gland do?

Answer 16

creates a mucous substance, produces a fluid that is very salty and helps neutralize anything left over from urine and lubricate the urethra for ejaculation

Question 17

what is the broad ligament

Answer 17

?

Question 18

what is the ovarian ligament

Answer 18

?

Question 19

what is the suspensory ligament

Answer 19

?

Question 20

what is the round ligament

Answer 20

?

Question 21

difference in angles between antiflexed and retroflexed uterus

Answer 21

antiflexed: usual position 90 degrees to back
retroflexed: unusual position parallel to back