male reproductive system

Question 1

what is the embryological origin of the testes and ovaries

Answer 1

intermediate mesoderm found in post abdominal wall

Question 2

what time does testes descended

Answer 2

before birth

Question 3

failure of testes to descend

Answer 3

cryptochordism

Question 4

where does the spermatic cord come out of

Answer 4

superficial inguinal ring

Question 5

what are the layers of the spermatic cord

Answer 5

intermal spermatic fascia
cremasteric fascia
external spermatic fascia

Question 6

internal spermatic fascia is from what

Answer 6

transversalis fascia

Question 7

cremasteric fascia is from what

Answer 7

internal oblique muscle

Question 8

external spermatic fascia is from what

Answer 8

external oblique muscle

Question 9

contents of the spermatic cord

Answer 9

ductus deferens
testicular a and v  (pampiniform plexus)
genital branch of genitofermoral n
deferential a and v
cremasteric a
lymphatics and autonomic nerves

Question 10

pampiniform plexus aka

Answer 10

testicular a and v

Question 11

skin of the scrotum is () and covered with sparse ()

Answer 11

rugose (wrinkled) and covered with sparse hairs

Question 12

what makes the scrotum wrinkly

Answer 12

dartos muscle

Question 13

where do u find the dartos muscle

Answer 13

superficial fascia (fatty layer but no fat there)

Question 14

what is the scrotum that is separated chambers is marked externally by

Answer 14

perineal raphe

Question 15

layers of scrotum

Answer 15

skin
dartos
colle's fascia
spermatic fascia-cremaster muscle
tunica vaginalis-lines the scrotal cavity

Question 16

the innermost layer (tunica vaginalis) is derived from

Answer 16

parietal peritoneum

Question 17

scrotum blood supply

Answer 17

internal pudendal a
external pudendal a
cremasteric a

Question 18

internal pudendal ais branch of

Answer 18

internal iliac a

Question 19

external pudendal a is branch of

Answer 19

femoral a

Question 20

cremasteric a is branch of

Answer 20

testicular a

Question 21

nerve supply of scrotum

Answer 21

ilioinguinal nerve
genital branch of gf n
perineal nn (branches of pudendal nerve)
PFC nerve

Question 22

cremasteric reflex

Answer 22

(look uP)

Question 23

elephantiasis

Answer 23

protozoa infection infecting lymphatic vessels obstruction so get enlarged scrotum

Question 24

varicocele

Answer 24

having varicose veins in scrotum like bag of warms

Question 25

hydrocele

Answer 25

fluid in tunica vaginalis testes (the space)

Question 26

cause of hydrocele

Answer 26

suspect from increased secretion of serous fluid case from parietal peritoneum

Question 27

sign of hydrocele

Answer 27

shine a light through scrotum it will be luminous (transilumination)

Question 28

hematocele

Answer 28

blood in scrotum

Question 29

inguinal hernia check where

Answer 29

superficial inguinal ring

Question 30

on tip of finger its what typeof hernia

Answer 30

indirect

Question 31

on side of finger is what type of hernia

Answer 31

direct

Question 32

what are the dimentions of the testis

Answer 32

4-5 cm long, 3 cm wide, 2 cm thick

Question 33

what is the serous membrane that covers the testes called

Answer 33

tunica vaginalis

Question 34

internal to the tunica vaginalis is a dense white fibrous capsule called

Answer 34

tunica albuginea

Question 35

what are the two layers of the tunica vaginalis

Answer 35

parietal and visceral layer

Question 36

function of testes

Answer 36

production of sperm by seminiferous tubules | secretion of testosterone by interstitial cells

Question 37

where do you find the interstitial cells

Answer 37

seminiferous tubules

Question 38

what hormones stimulate the testes

Answer 38

LH (ICSH) and FSH

Question 39

what does the pituitary gland secrete to stimulate spermatigogenesis

Answer 39

fsh

Question 40

what does icsh stand for

Answer 40

interstitial cell stimulating hormone

Question 41

what does lh do

Answer 41

stimulates interstitial cells to produce testosterone

Question 42

whats responsible for male secondary sex characteristics

Answer 42

testosterone

Question 43

why does the scrotum wrinkle

Answer 43

cold weather to maintain the temperature constant if warm it hangs sexual arousal right before ejaculation

Question 44

what two muscles keep the testes close to the cavity

Answer 44

cremasteric and dartos

Question 45

blood supply of testes

Answer 45

testicular a

Question 46

nerve supply of testes

Answer 46

testicular plexus T10

Question 47

why when get hit in balls it hurts around umbilicus

Answer 47

cause testes innervated by t10

Question 48

where do you find the testicular plexus

Answer 48

just below renal a from abdominal aorta

Question 49

what od they do to induce descent of testes

Answer 49

inject HCG or testosterone | surgery

Question 50

what could happen if left testes in cavity

Answer 50

sterility cause too warm | predispose to testicular cancer

Question 51

testicular torsion what is it

Answer 51

ligament that attaches the testes to bottom of scrotum you could lose blood supply to testes cause it twists

Question 52

what does didumos mean

Answer 52

twins

Question 53

what does epididymis stand for

Answer 53

on top of the twins

Question 54

what are part of the male reproductive tract

Answer 54

epididymis ductus deferens ejaculatory ducts urethra

Question 55

what is the epidiymids shape nad length

Answer 55

comma shaped structure about 1.5 inches long curved over the back and upper end of testis. irregularly twisted tube 15-20ft long when straightened (almost as long as small intestines)

Question 56

functions of epididymus

Answer 56

monitors and adjusts the composition of the tubular fluid site of sperm maturation storage of sperm helps in propelling sperm cells toward the urethra acts as a recycling center for damaged spermatozoa

Question 57

what part of epididymis becomes vas deferens

Answer 57

tail of epidiymis

Question 58

the vas deferens goes behind () and crosses () and emerges through the () () (), and enters () ()

Answer 58

bladder and crosses ureter, emerges through deep inguinal ring and enters pelvic cavity

Question 59

how long is vas deferens

Answer 59

18 inches

Question 60

does the vas deferens pass through the inguinal canal

Answer 60

yes

Question 61

vas deferens ends as a dilated portion called

Answer 61

ampulla

Question 62

the ampulla joins the () to form the ejaculatory duct

Answer 62

duct of seminal vesicle

Question 63

vas deferens function

Answer 63

convey mature sperm from epididymis to ejaculatory duct

Question 64

how long is the ejaculatory duct

Answer 64

2cm in length

Question 65

ejaculatory duct formed by union of

Answer 65

vas deferens and duct of seminal vesicle

Question 66

the ejaculatory duct pierces the posterior surface of () and open into the prostatic part of the ()

Answer 66

prostate, part of urethra

Question 67

function of ejaculatory ducts

Answer 67

drains seminal fluid into the prostatic urethra

Question 68

what are the three parts of urethra

Answer 68

prostatic urethra membranous urethra penile urethra

Question 69

what happens when get enlarged prostate

Answer 69

causes constriction of urethra so have problems with urination and goin a lot and retaining it

Question 70

accessory glands in the male

Answer 70

seminal vesicles prostate gland bulbourethral gland (cowper's gland) urethral glands (glands of littre)

Question 71

what is the seminal vesicles

Answer 71

two lobulated organs about 2 inch long

Question 72

where does the seminal vesicles lie

Answer 72

posterior surface/base of urinary bladder and lateral to ampulla of vas def

Question 73

function of seminal vesicles

Answer 73

secrete alkaline, viscous fluid that contains the sugar fructose, prostaglandins, amd clotting proteins (semenogelin)

Question 74

the fluid of the seminal vesicle secretion constitutes % of volume of semen

Answer 74

60% majority of it

Question 75

what does prostaglandins do

Answer 75

helps propel the sperm and stimulates the female genital tract to propel the sperm

Question 76

what does semenogelin do

Answer 76

clumps semen