Fields- formation of male reproductive system

Question 1

_____ develop in the yolk sac

Answer 1

germ cells

Question 2

migrate to genital ridge (L1) where they develop into gametes (sperm)

Answer 2

germ cells

Question 3

aggressive tumors; contains more than one cell type

Answer 3

non-seminomas

Question 4

contains one cell type; highest cure rate at 95%

Answer 4

seminoma

Question 5

3 major germ cell tumor markers

Answer 5

AFP, LDH, beta hCG

Question 6

from intermediate mesoderm

Answer 6

gonads

Question 7

intermediate mesoderm (genital ridge) to _____ gonad (genital ridge) at weeks 5-6

Answer 7

indifferent

Question 8

responsible for testes formation; Y linked

Answer 8

SRY gene product (TDF: testis determining factor)

Question 9

_______derived cells migrate into the intermediate mesoderm where the testes are forming

Answer 9

peritoneum

Question 10

peritoneum derived cells form _____ around the germ cells

Answer 10

sex cords

Question 11

derived from sex cords and is where sperm is being developed

Answer 11

seminiferous tubules

Question 12

derived from sex cords and moves sperm to efferent ductules

Answer 12

Rete Testis

Question 13

moves sperm to epididymis

Answer 13

efferent ductules

Question 14

derived from peritoneum

Answer 14

rete testes
seminiferous tubule
sertoli cells

Question 15

derived from fibroblast

Answer 15

Leydig cell

Question 16

_____ tumors are the most common testicular tumors

Answer 16

germ cell tumors

Question 17

Choriocarcinoma
Yolk Sac
Embryonal
Teratoma

Answer 17

types of germ cell tumors

Question 18

Answer 18

germ cell tumor

Question 19

Produces estrogen.
Produces Androgen Binding Protein;
binds and transports testosterone.
Produces Inhibin.
Mullerian Inhibiting Factor

Answer 19

Sertoli cell

Question 20

produces testosterone
produces estradiol 17beta

Answer 20

Leydig cell

Question 21

After age 40, testosterone levels decrease by 1% each year leading to ____

Answer 21

Andropause

Question 22

2 ducts that form genital ridge

Answer 22

Mullerian and Wolffian

Question 23

responsible for male sex organs

Answer 23

Wolffian duct

Question 24

responsible for female sex organs

Answer 24

Mullerian duct

Question 25

Answer 25

B.

Question 26

duct that is mesonephric

Answer 26

Wolffian duct

Question 27

duct that is paramesonephric

Answer 27

Mullerian duct

Question 28

remnants of Mullerian(paramesonephric) duct in males

Answer 28

appendix testis prostatic utricle uterovaginal primordium

Question 29

Answer 29

appendix testis

Question 30

associated with: Low Mullerine Inhibiting Factor (MIF) from sertoli cells Resistance to MIF

Answer 30

enlarged prostatic utricle

Question 31

responsible for formation of Wolffian duct

Answer 31

testosterone

Question 32

mesonephric duct remnant

Answer 32

appendix epididymis

Question 33

mesonephric duct remnant

Answer 33

paradidymal cyst

Question 34

Answer 34

spermatocele

Question 35

Answer 35

ectasia rete testis

Question 36

Answer 36

epididymal cyst

Question 37

testicular pain needs to be taken seriously due to the possibility of what

Answer 37

torsion

Question 38

2 main mesonephric (Wolffian) duct remnants

Answer 38

epididymal appendix paradidymis

Question 39

main paramesonephric duct remnant (Mullerian)

Answer 39

testicular appendix

Question 40

irritation and swelling of epididymis due to bacterial infection

Answer 40

epididymitis

Question 41

Seminiferous tubules Rete testes derived from:

Answer 41

peritoneum

Question 42

seminal vesicle ejaculatory duct epididymis appendix epididymis tubules vas deferens efferent ductules derived from:

Answer 42

mesonephric duct

Question 43

appendix testis prostatic utricle derived from:

Answer 43

paramesonephric duct

Question 44

shortens and drags testes into scrotum so sperm can function better at lower temp.

Answer 44

Gubernaculum

Question 45

descends in the normal path but does not reach scrotum

Answer 45

Cryptorchid testis

Question 46

descends in the normal path to the superficial inguinal ring, then tracks to other sites within the superficial fascia

Answer 46

Ectopic testis

Question 47

surgery for cryptorchid or ectopic testis

Answer 47

Orchiopexy

Question 48

in normal descent of testes, proximal portion of ______ undergoes apoptosis

Answer 48

vaginal process

Question 49

______ is on anterior aspect of testes

Answer 49

tunica vaginalis

Question 50

If the proximal portion of the Vaginal process does not undergo apoptosis, a large patency of the vaginal process is continuous with the peritoneal cavity. Intestines may herniate into the scrotum.

Answer 50

congenital inguinal hernia

Question 51

A small patency of the vaginal process. This results in a fluid filled cyst in the anterior scrotum.

Answer 51

hydrocele of testes

Question 52

fluid in tunica vaginalis of testes

Answer 52

hydrocele

Question 53

______ septum from mesoderm origin splits cloaca

Answer 53

urorectal septum

Question 54

3 parts of external genitalia formation

Answer 54

genital tubercle genital folds genital swellings

Question 55

elongates to form the shaft and glans penis

Answer 55

genital tubercle

Question 56

comes together to enclose the open ventral surface of the spongy/penile urethra

Answer 56

genital folds; urethral fold

Question 57

comes together to form the scrotum

Answer 57

genital swellings/Labioscrotal swellings

Question 58

___ and ___ form shaft

Answer 58

crus and bulb of penis

Question 59

ventral side of penis

Answer 59

corpus spongiosum

Question 60

dorsal side of penis

Answer 60

corpus cavernosum

Question 61

failure of the genital folds to fuse ventrally

Answer 61

hypospadius

Question 62

ventral bending

Answer 62

chordee

Question 63

failure of the dorsal mesenchyme of the shaft (genital tubercle) to properly fuse

Answer 63

epispadius

Question 64

testosterone into DHT by what

Answer 64

5alpha-reductase

Question 65

4 main things that DHT helps form

Answer 65

penis scrotum prostate bulbourethral glands

Question 66

treatment for boys with anomalies of male genitalia

Answer 66

testosterone

Question 67

treatment for male adults for anomalies of male genitalia

Answer 67

hCG

Question 68

Androgen is responsible for development of external structures XY- male Infertile Testosterone not getting into cells and being converted to DHT to develop external genitalia

Answer 68

Androgen Insensitivity syndrome

Question 69

Reifenstein Syndrome Partial Androgen Insensitivity 46 XY; absence of sex chromatin in nuclei; varying degree of development to internal and external genitalia; inadequate production of testosterone and mullerian inhibiting factor

Answer 69

male pseudohermaphoditism

Question 70

structures derived from ______ duct are sensitive to testosterone

Answer 70

Mesonephric (Wolffian)

Question 71

structures derived from _____ and _____ sensitive to DHT

Answer 71

endoderm and mesoderm