Reproductive System

Question 1

Stage during which the embryo cannot be identified as male or female?

Answer 1

Indifferent stage

Question 2

stage during when embryo can be identified as male or female?

Answer 2

Sexual differentiation stage

Question 3

Development of Gonads: Indifferent stage, includes?

Answer 3

1. Formation of the gonadal ridge
2. Incorporation of priomordial germ cells into the gonadal ridge
3. Formation of gonadal cords

Question 4

Supporting cells are derived from?

Incorporation of priomordial germ cells into the gonadal ridge

Answer 4

splanchnic mesoderm

Question 5

Primordial germ cells are derived from?

Answer 5

Yolk sac endoderm

Question 6

Gonadal tubules form loops namely?

Answer 6

Seminiferous tubules

Question 7

Semineferous tubules connect with a network of tubules namely the?

Answer 7

Rete testis

Question 8

Primordial germ cells inside seminiferous tubules?

Answer 8

Spermatogonia

Question 9

Some spermatogonia that enter the prophase stage of meiosis?

Answer 9

Primary spermatogenic cells

Question 10

Cords of epithelial cells from mesonephric tubules?

Answer 10

Sustentacular (Sertoli) cells

Question 11

Mesenchymal cells from gonadal ridge?

Answer 11

Interstitial (Leydig) cells

Question 12

A sheet of mesenchyme from gonadal ridge?

Answer 12

Tunica albuginea

Question 13

It continues as the tubuli recti, which conenct with the rete testis within the mediastinum testis?

Answer 13

Convulated seminiferous tubules

Question 14

A columnar with an oval euchromatic nucleus and prominent nucleolus?

Answer 14

Sertoli cell

Question 15

Primordial germ cells inside primordial follicles?

Answer 15

Oogonia

Question 16

Each oogonium enters the prophase stage of meiosis?

Answer 16

Primary oocyte

Question 17

Small, round body located at the periphery of the ovarian cortex and composed of a large primary oocyte surrounded by a single layer of flat follicular cells?

Answer 17

Primordial follice

Question 18

Slightly larger round body composed of a large primary oocyte surrounded by a single layer of cuboidal or columnar follicular cells?

Answer 18

Primary follicle

Question 19

Round body larger than the primary follicles?

Answer 19

Growing or secondary follicle

Question 20

The largest follicle that may bulge from the surface of the ovary. It has the same structure as the growing follcle?

Answer 20

Mature follicle

Question 21

In carnivores, ovarian follicle with more than one oocyte are found which are called?

Answer 21

Polyovular or polyoocytic follicles

Question 22

Blood clot, follicular bleeding in porcine ovary?

Answer 22

Corpus hemorrhagicum

Question 23

Mesonephric tubules that fuse with seminiferous tubules?

Answer 23

Efferent ductules

Question 24

Glomerular capsules of the above tubules?

Answer 24

Rete testis

Question 25

Mesonephric duct located within the mesonephros

Answer 25

Ductus epididymis

Question 26

Mesonephric duct outside of the caudal to the mesonephros?

Answer 26

Ductus deferens

Question 27

Urogenital sinus in caudal part?

Answer 27

Pelivic urethra

Question 28

Ciliated and non-ciliated cells, is the l.e. of what?

Answer 28

Efferent duct

Question 29

lining epithelium of ductus epididymis?

Answer 29

Taller psudostratified columnar epithelium

Question 30

Uterine tube or F.T. is composed of 4 segments which are?

Answer 30

1. Infundibulum 2. Ampulla 3. Isthmus 4. Intramural part

Question 31

It is the cranial funnel shaped portion?

Answer 31

Infundibulum

Question 32

It is a thin walled part extending caudally fromthe infundibulum?

Answer 32

Ampulla

Question 33

Numerous finger-like processes present in the infundibulum?

Answer 33

Fimbriae

Question 34

L.E. of the folds in equine uterine tube?

Answer 34

Simple columnar secretory and ciliated epithelium

Question 35

A narrow muscular segment that joins the uterus?

Answer 35

Isthmus

Question 36

Wall of uterine horn, has inner layer called?

Answer 36

Endometrium

Question 37

Wall of uterine horn, has a muscular layer called?

Answer 37

Myometrium

Question 38

Wall of uterine horn, has an outer serous mebrane layer called?

Answer 38

Perimetrium

Question 39

The gland is a compound tubuloalveolar mucous in type and the secretory units are lined by simple columnar or pyramidal epithelium

Answer 39

Bulbourethral gland

Question 40

In male, the epithelium of mesonephric duct evaginates then becomes?

Answer 40

Seminal vesicle

Question 41

In female, the epithelium of mesonephric duct evaginates then becomes?

Answer 41

None

Question 42

The seminal vesicle is lined by?

Answer 42

Simple columnar serous secretory epithelium

Question 43

Indifferent Stage: Lateral mesoderm near the cloacal membrane, genital tubercle becomes the?

Answer 43

Penis

Question 44

Indifferent Stage: Lateral mesoderm near the cloacal membrane, genital swellings becomes the?

Answer 44

Scrotum

Question 45

Indifferent Stage: Lateral mesoderm near the cloacal membrane, genital folds becomes the?

Answer 45

Penile urethra

Question 46

Right and left cloacal folds fuse in the midline b/w the anal orifice and urogenital orifice to the?

Answer 46

Genital rephe

Question 47

In ungulates, a circular band of muscles called? It forms a ring that pulls the penis against the body wall.

Answer 47

Umbilical sphincter

Question 48

At the descent of the testes, cranial fold?

Answer 48

Dipahragmatic ligament of mesonephros

Question 49

At the descent of the testes, caudal fold?

Answer 49

Lingual ligament of mesonephros

Question 50

Lingual ligament of mesonephros becomes the?

Answer 50

Gubernaculum

Question 51

Peritoneum reflected over the testes?

Answer 51

Visceral tunica vaginalis

Question 52

Peritoneum that lines the scrotal pouch?

Answer 52

Parietal tunica vaginalis

Question 53

Indifferent Stage: In female, lateral mesoderm near the cloacal membrane, genital tubercle becomes the?

Answer 53

Clitoris

Question 54

Indifferent Stage: In female, lateral mesoderm near the cloacal membrane, genital swellings becomes the?

Answer 54

It degenerates.

Question 55

Indifferent Stage: In female, lateral mesoderm near the cloacal membrane, genital folds becomes the?

Answer 55

Labia minora of vulva