Development of Gonads.

Question 1

Bipotential or indifferent gonad seen at

Answer 1

6th week.

Question 2

Testis develops at

Answer 2

7th week

Question 3

Ovary develops at

Answer 3

8th week

Question 4

Female External genitalia develops at

Answer 4

12th week

Question 5

Male External genitalia develops at

Answer 5

14th week.

Question 6

SRY gene produces ___ factor

Answer 6

Testis inhibiting factor

Question 7

Sertoli cells produce

Answer 7

Mullerian inhibiting factor

Question 8

Leydig cells produce

Answer 8

Testosterone

Question 9

Canalization of Medullary or sex cords forms

Answer 9

Seminiferous tubules

Question 10

Seminiferous tubules - derived from

Answer 10

Canalization of Medullary or sex cords

Question 11

Non - Canalization of Medullary or sex cords gives rise to

Answer 11

Sertoli cells and leydig cells.

Question 12

Genital ridge in male

Answer 12

Testis

Question 13

Genital ridge in female

Answer 13

Ovary

Question 14

Genital Tubercle in male

Answer 14

Penis

Question 15

Genital tubercle in female

Answer 15

Clitoris

Question 16

Genital Swelling in Male

Answer 16

Scrotum

Question 17

Genital Swelling in female

Answer 17

Labia majora

Question 18

Mesonephric duct in males

Answer 18

SEED-

Question 19

Mesonephric duct in females

Answer 19

Appendix of ovary and Gartner’s duct

Question 20

Appendix of ovary and Gartner’s duct in females is formed by

Answer 20

Mesonephric duct remnants

Question 21

Paramesonephric duct in males

Answer 21

Appendix of testis and Prostatic utricle

Question 22

Appendix of testis and Prostatic utricle- in males formed by

Answer 22

Paramesonephric duct

Question 23

Paramesonephric duct in Females

Answer 23

FT, Cervix and Upper 2/3rd of Vagina

Question 24

Genital fold in males

Answer 24

Ventral aspect of penis

Question 25

Ventral aspect of penis derived from

Answer 25

Genital fold

Question 26

Labia minora derived from

Answer 26

Genital fold

Question 27

Genital fold in females

Answer 27

Labia minora

Question 28

Unfused part of Paramesonephric duct

Answer 28

FT

Question 29

Fused part of Paramesonephric duct

Answer 29

Cervix and vagina

Question 30

Lower 1/3rd of vagina developed from

Answer 30

Endoderm - urogenital sinus

Question 31

Upper 2/3rd of vagina developed from

Answer 31

Intermediate mesoderm - paramesonephric duct

Question 32

Testis is formed in

Answer 32

Abdomen

Question 33

_____ helps in descent of testis

Answer 33

Gubernaculum.

Question 34

Sites of Ectopic testis

Answer 34

Scrotum PS Perineum Saph. opening of Thigh

Question 35

Tunica vaginalis - derived from

Answer 35

Gubernaculum

Question 36

location of testis in 1st month

Answer 36

Dorsal body wall in lumbar region

Question 37

Location of Testis in 3rd month

Answer 37

Iliac fossa

Question 38

Location of testis in 7th month

Answer 38

Deep Inguinal ring

Question 39

Location of testis in 8th month

Answer 39

Inguinal canal

Question 40

Location of testis at 9th month or birth

Answer 40

Scrotum

Question 41

Gubernaculum in Females

Answer 41

Proximal - Ligament of ovary | distal - Round Ligament of uterus

Question 42

Round Ligament of uterus is formed from

Answer 42

Gubernaculum

Question 43

Ligament of ovary is derived from

Answer 43

Gubernaculum.