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MicroAnat 2 > Reproductive System > Flashcards

Reproductive System Flashcards

1
Q

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

A

Indifferent stage

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2
Q

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

A

Sexual differentiation stage

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3
Q

Development of Gonads: Indifferent stage, includes?

A
  1. Formation of the gonadal ridge
  2. Incorporation of priomordial germ cells into the gonadal ridge
  3. Formation of gonadal cords
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4
Q

Supporting cells are derived from?

Incorporation of priomordial germ cells into the gonadal ridge

A

splanchnic mesoderm

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5
Q

Primordial germ cells are derived from?

A

Yolk sac endoderm

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6
Q

Gonadal tubules form loops namely?

A

Seminiferous tubules

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7
Q

Semineferous tubules connect with a network of tubules namely the?

A

Rete testis

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8
Q

Primordial germ cells inside seminiferous tubules?

A

Spermatogonia

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9
Q

Some spermatogonia that enter the prophase stage of meiosis?

A

Primary spermatogenic cells

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10
Q

Cords of epithelial cells from mesonephric tubules?

A

Sustentacular (Sertoli) cells

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11
Q

Mesenchymal cells from gonadal ridge?

A

Interstitial (Leydig) cells

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12
Q

A sheet of mesenchyme from gonadal ridge?

A

Tunica albuginea

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13
Q

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

A

Convulated seminiferous tubules

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14
Q

A columnar with an oval euchromatic nucleus and prominent nucleolus?

A

Sertoli cell

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15
Q

Primordial germ cells inside primordial follicles?

A

Oogonia

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16
Q

Each oogonium enters the prophase stage of meiosis?

A

Primary oocyte

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17
Q

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?

A

Primordial follice

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18
Q

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

A

Primary follicle

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19
Q

Round body larger than the primary follicles?

A

Growing or secondary follicle

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20
Q

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

A

Mature follicle

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21
Q

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

A

Polyovular or polyoocytic follicles

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22
Q

Blood clot, follicular bleeding in porcine ovary?

A

Corpus hemorrhagicum

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23
Q

Mesonephric tubules that fuse with seminiferous tubules?

A

Efferent ductules

24
Q

Glomerular capsules of the above tubules?

A

Rete testis

25
Q

Mesonephric duct located within the mesonephros

A

Ductus epididymis

26
Q

Mesonephric duct outside of the caudal to the mesonephros?

A

Ductus deferens

27
Q

Urogenital sinus in caudal part?

A

Pelivic urethra

28
Q

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

A

Efferent duct

29
Q

lining epithelium of ductus epididymis?

A

Taller psudostratified columnar epithelium

30
Q

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

A
  1. Infundibulum
  2. Ampulla
  3. Isthmus
  4. Intramural part
31
Q

It is the cranial funnel shaped portion?

A

Infundibulum

32
Q

It is a thin walled part extending caudally fromthe infundibulum?

A

Ampulla

33
Q

Numerous finger-like processes present in the infundibulum?

A

Fimbriae

34
Q

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

A

Simple columnar secretory and ciliated epithelium

35
Q

A narrow muscular segment that joins the uterus?

A

Isthmus

36
Q

Wall of uterine horn, has inner layer called?

A

Endometrium

37
Q

Wall of uterine horn, has a muscular layer called?

A

Myometrium

38
Q

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

A

Perimetrium

39
Q

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

A

Bulbourethral gland

40
Q

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

A

Seminal vesicle

41
Q

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

A

None

42
Q

The seminal vesicle is lined by?

A

Simple columnar serous secretory epithelium

43
Q

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

A

Penis

44
Q

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

A

Scrotum

45
Q

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

A

Penile urethra

46
Q

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

A

Genital rephe

47
Q

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

A

Umbilical sphincter

48
Q

At the descent of the testes, cranial fold?

A

Dipahragmatic ligament of mesonephros

49
Q

At the descent of the testes, caudal fold?

A

Lingual ligament of mesonephros

50
Q

Lingual ligament of mesonephros becomes the?

A

Gubernaculum

51
Q

Peritoneum reflected over the testes?

A

Visceral tunica vaginalis

52
Q

Peritoneum that lines the scrotal pouch?

A

Parietal tunica vaginalis

53
Q

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

A

Clitoris

54
Q

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

A

It degenerates.

55
Q

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

A

Labia minora of vulva

MicroAnat 2 (12 decks)

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