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Microanatomy Exam 4 > Female Repro Part 2 > Flashcards

Female Repro Part 2 Flashcards

1
Q

3 divisions of oviduct

A
  1. Infundibulum
  2. Ampulla
  3. Isthmus
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2
Q

Infundibulum

A

Funnel shaped with fimbriae

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3
Q

Ampulla

A

Extends caudally from infundibulum

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4
Q

Isthmus

A

Narrow, muscular segment joining the uterus

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5
Q

3 layers of the oviduct

A
  1. Mucosa
  2. Tunica muscularis
  3. Tunica serosa
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6
Q

Mucosa of oviduct

A

Epithelium and underlying CT

No muscularis mucosa

Lamina propria-submucosa: loost CT

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7
Q

Tunica muscularis of oviduct

A

Irregularly arranged smooth m.

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8
Q

Mucosa of infundibulum and ampulla is?

A

Highly folded (primary, secondary and tertiary)

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9
Q

Mucosa of isthmus only has?

A

Primary folds

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10
Q

Epithelium of oviduct mucosa

A

Simple columnar ciliated with non-ciliated cells

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11
Q

Parts of the oviduct mucosal epithelium may be pseudostratified in what species?

A
  1. Cow

2. Sow

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12
Q

Layers of uterus

A
  1. Endometrium
  2. Myometrium
  3. Perimetrium
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13
Q

Endometrium is equivalent to?

A

Tunica mucosa and submucosa

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14
Q

Myometrium is equivalent to?

A

Tunica muscularis

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15
Q

Perimetrium is equivalent to?

A

Tunica serosa

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16
Q

What layer contains uterine glands?

A

Endometrium

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17
Q

Uterine glands

A

Straight simple tubular glands which may become coiled → extend almost to myometrium

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18
Q

What are ruminant caruncles?

A

Elevated vascular areas with no glands → site of placental attachment

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19
Q

Fetal tissue which attaches to caruncle

A

Cotyledon

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20
Q

Combined caruncle + cotyledon is called?

A

Placentome

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21
Q

Layers of myometrium

A
  1. Inner circular layer
  2. Stratum vasculare
  3. Outer longitudinal layer
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22
Q

Perimetrium aka?

A

Tunica serosa

23
Q

What is the perimetrium?

A

Thin layer of fibroelastic CT covered by mesothelium

24
Q

Epithelium of cervix in most animals

A

Columnar mucuous

25
Q

Epithelium of cervix in bitch

A

Stratified squamous (like vagina)

26
Q

What layer forms uterine sphincter?

A

Tunica muscularis

27
Q

Epithelium of vagina

A

Stratified squamous non-keratinized

28
Q

How does vaginal epithelium change during estrus?

A

Becomes keratinized

29
Q

Vagina lacks?

A

Muscularis mucosa → lamina propria is joined to submucosa

30
Q

Tunica muscularis in vagina

A

Has inner circular and outer longitudinal layers

31
Q

Vestibule contains what glands?

A

Major and minor vestibular glands

32
Q

Vestibule is part of the?

33
Q

Proestrus is the begging of?

A

Endometrial growth

34
Q

CL during proestrus

A

Regressing

35
Q

Follicles during proestrus

A

Newly growing

36
Q

Theca cells during proestrus

A

Stimulated by LH to produce androgens

37
Q

Granulosa cells during proestrus

A

Stimulated by FSH to produce estrogens

38
Q

What is estrus?

A

Sexual receptiveness

39
Q

Ovulation usually occurs during which phase in most species?

40
Q

In the dog, CL develops during what phase?

41
Q

What is metestrus?

A

CL development → progesteron levels are climbing

42
Q

Why is there no metestrus in the dog?

A

CL develops during estrus

43
Q

Phase of active CL

44
Q

When does uterus reach maximal gland development and activity?

45
Q

During what phase does CL regress if no implantation occurs?

46
Q

How does regression of CL during diestrus cause pseudopregnancy?

A

Regression of CL causes increased prolactin → psuedopregnancy can results 50-60 days after estrus

Mammae will develop with lactation + behavior changes

Can result in pyometru

47
Q

What is anestrus?

A

Prolonged period of sexual inactivity

48
Q

When is estrogen secretion by granulosa cells maximal?

49
Q

Vaginal smear during anestrus

A
  1. Non-keratinized

2. PMNs and bacteria

50
Q

Vaginal smear during proestrus

A
  1. PMNs early then decrease
  2. Numerous RBCs
  3. Increasing keratinized cells
  4. Nuclei pyknotic and square shaped
51
Q

Vaginal smear during estrus

A
  1. Some RBCs

2. Mainly keratinized

52
Q

Metestrus aka?

53
Q

Vaginal smear during metestrus

A
  1. Keratinized (superficial) cells decreasing
  2. PMNs reappear
  3. RBCs variable

Difficult to distinguish from proestrus!

Microanatomy Exam 4 (14 decks)

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