reproductive system

Question 1

female reproductive system consists of what (5)

Answer 1

ovaries
fallopian tubes
uterus
vagina
mammary glands

Question 2

ovaries are where

Answer 2

sup. portion of the pelvic inlet, lateral to the uterus

Question 3

the ovaries produce what

Answer 3

gametes
hormones

Question 4

where is the pelvic inlet

Answer 4

sacral promontory to symph
arcuate lines of the ilieum

Question 5

what hormones do the overies produce

Answer 5

progesterone
estrogen
inhibin
relaxin

Question 6

the ovaries are the size and shape of an _____

Answer 6

almond

Question 7

what is oogenesis

Answer 7

formation of gametes

Question 8

oogenesis begins when **

Answer 8

during fetal development

Question 9

how are oogonia made

Answer 9

diploid stem cells undergo mitosis to form germ cells

Question 10

what is the primordial follicle

Answer 10

primary oocytes surrounded by a singular layer of follicular cells

Question 11

each month ___ and ___ (from the ____) stimulate the development of several ___

Answer 11

FSH and LH
anterior pituitary
primordiale follicles

Question 12

what do polar bodies do

Answer 12

to ensure that the secondary oocyte has the correct haploid DNA

Question 13

before maturation, primary oocyte completes ___ and forms ____

Answer 13

meiosis I
2 haploid structures

Question 14

what 2 haploid structures are formed by the primary oocyte

Answer 14

first polar body
secondary oocyte

Question 15

how do fraternal twins occur

Answer 15

more than 1 primary oocyte reaches maturity

Question 16

if a sperm cell joins with the secondary oocyte, what is created?

Answer 16

zygite (2n)

Question 17

how long are the fallopian tubes

Answer 17

4” or 10cm long

Question 18

what are fimbriae

Answer 18

finger-like projections that surround the ovaries

Question 19

where does fertilization typically occur?
how long until it reaches the uterus

Answer 19

in the fallopian tubes
6 to 7 days

Question 20

what is the normal position of a uterus

Answer 20

anteflexion over the bladder

Question 21

what are the parts of the male reproductive system (4)

Answer 21

testes
accessory glands (prostate, seminal vesicles)
seminiferous tubules
penis

Question 22

what s the length and diameter of the testes

Answer 22

2” long, 1” diameter

Question 23

the testes produce what

Answer 23

sperm
hormones

Question 24

where do the testes develop

Answer 24

near the kidneys

Question 25

what happens to remove the testes from by the kidneys? when?

Answer 25

descend into scrotum through the inguinal canals around 7 months of development

Question 26

why must the testes descend

Answer 26

sperm production needs 2-3 deg C below normal body temp

Question 27

spermatogenesis takes how long

Answer 27

65-75 days

Question 28

when does spermatogenesis occur

Answer 28

begins at puberty, continues for life

Question 29

spermatogonia are what

Answer 29

2n stem cells

Question 29

what is the path of spermatogenesis

Answer 29

mitosis to primary spermatocytes (2n) meiosis I to secondary spermatocytes (n) meiosis II to form 4 haploid spermatids spermiogenesis to form 4 spermatozoa

Question 30

where does spermatogenesis occur ***

Answer 30

in the seminiferous tubules of the testes

Question 31

where does maturation (acquires motility) of sperm occur

Answer 31

epididymis

Question 32

what does the epididymis also do

Answer 32

store sperm

Question 33

vas deferens is how long

Answer 33

18" or 45 cm long

Question 34

the vas deferens begins where

Answer 34

at the tail of the epididymis

Question 35

what forms the ejaculatory duct

Answer 35

union of the vas deferens and the duct from the seminal vesicles

Question 36

what are the 3 parts of the urethra

Answer 36

1, prostatic 2. membranous 3. spongy

Question 37

the urethra is a common passageway for what

Answer 37

both sperm and urine

Question 38

what do the seminal vesicles do

Answer 38

secrete 60% of semen volume alkaline, viscous fluid

Question 39

why does the seminal vesicles secrete an alkaline fluid

Answer 39

neutralize the acidic urethra and femal reproductive tract

Question 40

where is the prostate

Answer 40

inferior to the bladder surrounding the prostatic urethra

Question 41

when is the prostate growing

Answer 41

rapidly until 30 stable until 45 may continue after

Question 42

the prostate secretes what percent of semen volume

Answer 42

25%

Question 43

what do the bulbourethral glands do

Answer 43

secrete alkaline fluid into the spongy urethra

Question 44

how much of semen do the bulbulourethral glands secrete

Answer 44

15%

Question 45

what does the alkaline fluid from the Cowper's glands do

Answer 45

neutralizes the acidic urethra, lubricates the lining and end

Question 46

semen is a mixture of...

Answer 46

sperm and seminal fluids

Question 47

how many sperm in typical in an ejaculation

Answer 47

50-150 million sperm/mL

Question 48

what is the threshold for sterility

Answer 48

below 20 million sperm/mL

Question 49

what are the little dots here

Answer 49

phleboliths