lec 11

Question 1

in female, in which week the cortical cords appear ?

Answer 1

7th

Question 2

in female, the cell clusters degenerate and disappear, and are replaced by

Answer 2

vascular stroma that forms ovarian medulla

Question 3

In ——–, the cortical cords split into isolated cell clusters called ————– (female)

Answer 3

4th Mon

primordial follicles

Question 4

in male, As mesonephros degenerates, some mesonephric tubules persist and are transformed into

Answer 4

efferent ductules

Question 5

The cranial part of each mesonephric ducts become

Answer 5

epididymis

Question 6

Prostate develop as multiple —————– from ————

Answer 6

endodermal outgrowths

prostatic part of urethra

Question 7

in prostate development
The glandular epithelium differentiates from

The connective tissue and muscle differentiate from

Answer 7

endoderm

adjacent mesenchyme

Question 8

Bulbourethral glands are two pea-sized glands developed as two————– from ————–

Answer 8

endodermal outgrowths

penile part of urethra

Question 9

unfused cranial parts of paramesonephric ducts forms ——–
caudal, fused portions form ————

Answer 9

uterine tubes

uterovaginal primordium, which gives rise to uterus and the superior portion of vagina

Question 10

The endometrial stroma and myometrium are derived from

Answer 10

surrounding mesenchyme

Question 11

Fusion of paramesonephric ducts leads to the formation of two ligaments and two compartments

Answer 11

brings together two peritoneal folds that form right and left broad ligament

two peritoneal compartments, rectouterine pouch and vesicouterine pouch

Question 12

The vaginal lining epithelium is derived from

Answer 12

endoderm of urogenital sinus

Question 13

fibromuscular wall of vagina develops from

Answer 13

surrounding mesenchyme

Question 14

the sinovaginal bulbs proliferate and fused to form

Answer 14

vaginal plate

Question 15

each part of the vaginal plate forms
central cells
peripheral

Answer 15

break down, forming lumen of vagina

vaginal lining epithelium

Question 16

vaginal outgrowth is entirely canalized by ———

Answer 16

5th month

Question 17

The vaginal fornices are of ————— origin

Answer 17

paramesonephric

Question 18

vagina has a dual origin, with upper portion derived from ——————- and lower portion derived from ————-

Answer 18

uterovaginal primordium

urogenital sinus

Question 19

The hymen consists of

Answer 19

epithelial lining of the sinus and a thin layer of vaginal cells

Question 20

Outgrowths from urogenital sinus form bilateral ————

Answer 20

great vestibular (Bartholin) glands

Question 21

Cranial to cloacal membrane, the cloacal folds unite to form——–
Caudally the folds are subdivided into —————- anteriorly and ——— posteriorly.

Answer 21

genital tubercle
urethral (urogenital) folds
anal folds

Question 22

the cloacal folds are formed by the migration of mesenchyme cells originating in region of ————- migrate around cloacal membrane in the ———- week

Answer 22

primitive streak

3rd

Question 23

Distinguishing sexual characteristics begin to appear during ————-, but however, external genitalia are not fully differentiated until ————–

Answer 23

9th W

12th W

Question 24

the phallus is formed from the elongation of ———– by the influence of —————

Answer 24

genital tubercle

testosteron

Question 25

urethral plate in male is formed from ———– origin

Answer 25

endodermal (urethral folds)

Question 26

At end of————, the two urethral folds fuse with each other and close over urethral plate to form ————

Answer 26

3rd Mon

penile urethra

Question 27

The most distal portion of urethra is formed during the ———– , from an ———– origin

Answer 27

4th Mon

ectodermal

Question 28

The corpora cavernosa and corpus spongiosum develop from

Answer 28

mesenchyme in phallus.

Question 29

in female the genital tubercule elongates slightly to form

Answer 29

clitoris

Question 30

in the female the urethral folds ————— form ————–

Answer 30

do not fuse

labia minora

Question 31

Between anterior and posterior commissures, labial swellings remain unfused and form

Answer 31

labia majora

Question 32

during early stages of development the labia minora is (smaller/larger) ————– in female than males

Answer 32

larger