Anatomy Of The Male Reproductive Tract

Question 1

3 kidney in development?

Answer 1

Pronephros, mesonephros and metanephros (producing true kidney)

Question 2

Mesonephric duct will become?

Answer 2

Ductus deferens

Question 3

Paramesonephric will become?

Answer 3

Uterine tubes and in males it degenerates

Question 4

How do developing testis descend?

Answer 4

By the gubernaculum

Question 5

Veins of testis?

Answer 5

Pampiniform plexus

Question 6

Which week do testis arrive in scrotum?

Answer 6

Week 32

Question 7

Internal oblique turns into?

Answer 7

Cremasteric fascia helps raise testis

Question 8

Spermatogenesis takes how many days?

Answer 8

64

Question 9

Ejaculatory duct formation?

Answer 9

Epididymus, Ductus deferens and duct seminal gland

Question 10

Seminal vesicles secrete?

Answer 10

Alkaline fluid and fructose and coagulate,prostaglandinds, citric and absorbic acid 30% of the volume

Question 11

Prostrate secretes what % of volume?

Answer 11

20

Question 12

Bulbourethral glands help with?

Answer 12

Lubrication

Question 13

What is prostrate innervated by?

Answer 13

Inferior hypogastric (sympathetic) and pelvic splanchnic nerves (parasympathetic)

Question 14

Visceral Nerve supply?

Answer 14

Pelvic splanchnic S2 to S4 and sacral sympathetic, inferior and superor hypogastric

Question 15

Pudendal nerve passes through?

Answer 15

Greater and lesser foramen

Question 16

In the male the urethral folds have to?

Answer 16

Join to form the urethra

Question 17

Erectile tissue is made of?

Answer 17

Corpus spongiosum and paired corpora cavernosa

Question 18

Penis is supplied by?

Answer 18

Internal and external pudendal arteries

Question 19

Nerve innervation to penis?

Answer 19

Ilioinguinal nerve, innervated by s2/s4 pudendal nerve, dorsal nerve to penis

Question 20

Foreskin is held in place by?

Answer 20

Frenulum

Question 21

Cavernous body is encapsulated by?

Answer 21

Tunica albuginea

Question 22

What type of epithelium in urinary system?

Answer 22

Transitional

Question 23

Prostatic utricle is…?

Answer 23

Remenant of paramesonephric duct

Question 24

Inferior vesical supplies?

Answer 24

Base of bladder, ductus deferens, seminal vesicles

Question 25

Cryptorchidism?

Answer 25

One or both of testicles do not descend into scrotum while fetus is developing

Question 26

Patent processus vaginalis?

Answer 26

Allows communication between peitoneum and scrotum, fluid in testis

Question 27

Hydrocele?

Answer 27

Swelling in scrotum when fluid collects in thin sheath surrounding testicle

Question 28

Hematocele?

Answer 28

Collection of blood within scrotum

Question 29

Which gene is key to influence male development?

Answer 29

SRY gene

Question 30

Gonads appear as?

Answer 30

Ridges

Question 31

Primordial germs cells invade the ridge and then?

Answer 31

Become primitive sex cord Indifferent gonad into a testis. | srY gene causes cells to become sertoli and gamete cells

Question 32

SRY gene is located on?

Answer 32

Y chromosome, | If moved onto X chromosome wont have male testis

Question 33

Whats included in inguinal canal?

Answer 33

Ductus deferens, testiculary artery, veins and nerves, round ligament

Question 34

How mnay boys get hernia?

Answer 34

1 in 50

Question 35

What percent of inguinal hernias affect men?

Answer 35

98

Question 36

Layers of abdominal wall?

Answer 36

External oblique Internal oblique- cremasteric fascia Transverse abdominus

Question 37

When do gonads acquire morphological characteristics?

Answer 37

Week 7

Question 38

What does SRY gene do?

Answer 38

Causes cells within gonad apathetic cords to differentiate into Sertoli cells.

Question 39

What happens in embryology?

Answer 39

Primitive germ cells from yolk sac move to gonads and form primitive sex cords

Question 40

Blood and nerve supply to testis

Answer 40

Spermatic plexus and testicular artery

Question 41

How many lobules in each testis?

Answer 41

250

Question 42

What do Sertoli cells do?

Answer 42

``` Protect spermatozoa from antibodies Provide nutrients Phagocytose excess cytoplasm Secrete androgen binding protein Secrete inhibit Add fluid to the lumen ```

Question 43

What does inguinal canal include?

Answer 43

Ductus deferents testicular artery, nerve vein, round ligament

Question 44

Tranversus abdominal forms?

Answer 44

Internal spermatic fascia

Question 45

How much sperm produced per second?

Answer 45

600 sperm per gram of testis

Question 46

Arterial supply to ductus deferents?

Answer 46

Inferior vesical/ middle rectal

Question 47

Blood supply to seminal vesicles?

Answer 47

Inferior vesicle and prostatic vessels ( internal iliac artery)

Question 48

Prostate is 2/3..?

Answer 48

Glandular and 1/3 fibromuscular

Question 49

Prostate is 2/3?

Answer 49

Glandular and 1/3 fibromuscular

Question 50

What is in deep pouch?

Answer 50

``` External urethral sphincter Compressor urethrae Deep transverse perineal muscle Dorsal neurovasculature of penis and clitoris Bulbourethral glands Urethra Ischioanal fat pads ```

Question 51

Superficial pouch includes?

Answer 51

``` Ischiocarvenosus Bulbospongiosus Root of penis Clitoris Bulb of vestibule Greater vestibule gland Urethra Superficial transverse perineal muscle Pudendal vessels ```

Question 52

What supplies anterior part of scrotum?

Answer 52

Iliohypogastric and ilioinguinal

Question 53

Without androgens the genital tubercle ( which is made of folds uniting) will only form?

Answer 53

Clitoris and urethral fold form labia minoris

Question 54

Gonads don’t acquire male or female morphological characteristics until?

Answer 54

Week 7

Question 55

What happens in embryology of a boy?

Answer 55

Primordial germ cells in yolk sac invade the ridge, gonads. Which converts it into a testis that will produce hormones SRY gene causes the epithelial cords to differentiate into Sertoli cells.

Question 56

What is the nerve supply to the testis?

Answer 56

Spermatic plexus

Question 57

Sertoli cells do what for the developing spermatozoa?

Answer 57

``` Protect them from antibodies in the blood Provide nutrients Phagocytose excess cytoplasm Secrete androgen binding protein Secrete inhibin Add fluid to the lumen ```

Question 58

From where to where is the inguinal canal?

Answer 58

Anterior superior iliac spine to pubic tubercle

Question 59

Erection emission and ejaculation?

Answer 59

Erection- Deep arteries-supply the corpora-in flaccid state A/V shunts Increased parasympathetic nerve supply, increases blood flow- diverted to vascular spaces Increased pressure in erectile tissue thus decreasing venous return Emission- semen is delivered to the prostatic urethra, prostatic fluid added. Emission results from sympathetic activity. Ejaculation-semen expelled through urethra Inhibition of sympathetic supply-return to flaccid state

Question 60

What is the VAN to the penis?

Answer 60

Internal pudendal arteries external pudendal veins S2/4 pudendal nerve, dorsal nerve to penis, ilioinguinal nerve