MALE REPRODUCTION

Question 1

list the structures in the spermatic ducts

Answer 1

• epididymis
• ductus deferens
• ejaculatory ducts

Question 2

list the structures in the accessory sex glands

Answer 2

• seminal vesicles
• prostate
• bulbourethral glands

Question 3

list the structures in external genitalia

Answer 3

penis scrotum

Question 4

function of male repro system

Answer 4

• spermatogenesis
• production of seminal fluids
• steroidogenesis
• sex

Question 5

what is testes site of

Answer 5

spermatogenesis
steroidogenesis

Question 6

what temp is required for spermatogenesi

Answer 6

2-3 degrees

Question 7

list the layers of testes

Answer 7

• tunica vaginalis
• tunica albuginea
• tunica vasculosa

Question 8

what is tunica vaginalis reminent of

Answer 8

peritoneum

Question 9

what lines testes

Answer 9

serous membranes and interior of scrotum

Question 10

what does tunica vaginalis produce

Answer 10

serous fluids to reduce friction

Question 11

list the layers of tunica vaginalis

Answer 11

parietal layer
visceral layer

Question 12

list the lobule of testes

Answer 12

seminiferous tubules

Question 13

what is seminiferous tubules site of

Answer 13

spermatogenesis

Question 14

what is in the connective tissue stroma

Answer 14

leydig cells

Question 15

what is leydig cells site fo

Answer 15

steroidogenesis

Question 16

spermatogenic epithelium

Answer 16

contains sertoli cells and spermatogenic cells

Question 17

what type orf cells are myoid cells

Answer 17

contractile cells

Question 18

what are sertoli cells

Answer 18

supporting cells - true epithelium

Question 19

what do spermatogenic cells undergo

Answer 19

spermatognesis to turn into mature sperm

Question 20

where do spermatogenic cells migrate towards once they mature

Answer 20

lumen

Question 21

what does spermatogenesis process consists of

Answer 21

mitosis, meiosis and spermiogeneis

Question 22

what is the final differentiaon in sperm

Answer 22

spermiogenesis > final differentiation from round cells into mature sperm

Question 23

where do spermatogonia cells sit on

Answer 23

basal lamina of seminiferous tubules

Question 24

how many types of spermatogonia

Answer 24

TYPE A: DARK AND LIGHT
TYPE B

Question 25

what is the type A dark cells in spermatogonia

Answer 25

stem cell reserve - mitosis to replace themselves and maintain stem cell reserve

Question 26

what is light in type a cells

Answer 26

renewing stem cells committed to differentiate but first undergo mitotic divisiosn to increase number

Question 27

type b in spermatogonia

Answer 27

last step in spermatogonial phase

Question 28

what do type b spermatogonia undergo

Answer 28

meiosis to produce primary spermatocytes

Question 29

what do type b spermatogonia immediately replicate and for how long

Answer 29

DNA and enter prophase I of meiosis in22 days

Question 30

after type b spermatogonia undergo first meiotic division to become

Answer 30

primary spermatocytes

Question 31

do secondary spermatocytes replicate dna

Answer 31

no as they immediately enter prophase II of meiosis

Question 32

what do secondary spermatocytes complete to form

Answer 32

2nd meiotic division to form spermatids (few hours)

Question 33

are there changes to dna or cell divison in spermatids

Answer 33

no

Question 34

what do spermatids transform into

Answer 34

mature sperm = spermiogenesis

Question 35

what do spermatids physically attach to

Answer 35

sertoli cells during transformation

Question 36

where does the final matturation of spermatoza occurs in

Answer 36

epididymis

Question 37

what does the head of epididymis contain

Answer 37

acrosome - enzymes to penetrate zona pellucida for fertilisation

Question 38

function of sertoli cells

Answer 38

nutrients and growth factors, remove wastes and BLOOD TESTIES BARRIER

Question 39

what is blood testis barrier unique to

Answer 39

sertoli cells - junctional complex

Question 40

what does blood testis barrier have which is very tight

Answer 40

tight junctions zona occludens

Question 41

what does blood testis barrier segregates

Answer 41

pre-meiotic and post - meiotic

Question 42

what is post meiotic

Answer 42

different dna

Question 43

can antigens produced by sperm enter blood testies barrier

Answer 43

cant enter ciruclation

Question 44

what happens if BTB fails

Answer 44

infertilisation

Question 45

where is sperm manufactured in

Answer 45

testes

Question 46

where is the storage and maturation of sperm in

Answer 46

epididymis

Question 47

what does ejaculation forces sperm into

Answer 47

vas deferens

Question 48

what does sperm meet with

Answer 48

seminal vesicles to form ejaculatory duct

Question 49

where does sperm passes through and emptis into

Answer 49

seminal vessicles urethra

Question 50

where does contraction occur in ejaculation

Answer 50

vas deferens *sperm) seminal vesicles and prostate and expel fluid

Question 51

where does immature sperm enter epidiymis

Answer 51

at head (incapable of infertilisation)

Question 52

how long does sperm take to travel through epidiemyis and undergo further maturation

Answer 52

12 days

Question 53

where is mature sperm expelled from

Answer 53

tail into vas deferens at ej..

Question 54

what is epididymis lined with

Answer 54

pseudostratified epithelium

Question 55

what is the prinicapl cell of epididymis

Answer 55

stereocilia > absorptive

Question 56

what happens in vas deferens

Answer 56

strong peristalltic contractions at emission carry sperm from epididymis to seminal vesicles

Question 57

list the layers of vas deferens

Answer 57

inner longitudinal middle circular outer longitudinal

Question 58

what combbines with vas deferens to form ejaculatory duct

Answer 58

short excretory duct

Question 59

what does seminal vesicle product

Answer 59

70% of seminal plasma

Question 60

function of seminal vesicle

Answer 60

fructose > main energy source for sperm

Question 61

what does prostate surround

Answer 61

neck of bladder and urethra

Question 62

how many compound tubuloalveolar glands does prostate contains

Answer 62

30-50

Question 63

how many percentage of seminal plasma does prostate produces

Answer 63

30%

Question 64

function of prostate

Answer 64

enzymes liquify semen after ejaculation

Question 65

what allows for passage of urine and sperm

Answer 65

prostatic urethra

Question 66

what is prostate surrounded by

Answer 66

fibromuscular stroma > contractions at ejaculation

Question 67

where do glands of prostate empty into

Answer 67

prostatic urethra

Question 68

where do bulbourethral glands empty into

Answer 68

penile urethra

Question 69

function of bulb . glands

Answer 69

pre cum

Question 70

neck of bladder of urethra ep

Answer 70

transitonal

Question 71

prostatic uretha ep

Answer 71

transitionalmem

Question 72

membranous urethra ep

Answer 72

pseuodostratified

Question 73

most of penile urethra ep

Answer 73

pseuo

Question 74

what is corpus cavernosa responsible for in penis

Answer 74

erection 90% of bloodwh

Question 75

what does corpus spongiosum contain

Answer 75

urethra

Question 76

what is penis surrounded by

Answer 76

dense fibroelastic layer

Question 77

what are the 2 striated muscles at base of penis

Answer 77

- bulbospongiosus - ischiocavernosus