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Microanatomy Exam 4 > Female Repro Part 2 > Flashcards

Female Repro Part 2 Flashcards

(53 cards)

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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?

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A

Tunica serosa

23
Q

What is the perimetrium?

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A

Thin layer of fibroelastic CT covered by mesothelium

24
Q

Epithelium of cervix in most animals

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A

Columnar mucuous

25
Epithelium of cervix in bitch
Stratified squamous (like vagina)
26
What layer forms uterine sphincter?
Tunica muscularis
27
Epithelium of vagina
Stratified squamous non-keratinized
28
How does vaginal epithelium change during estrus?
Becomes keratinized
29
Vagina lacks?
Muscularis mucosa → lamina propria is joined to submucosa
30
Tunica muscularis in vagina
Has inner circular and outer longitudinal layers
31
Vestibule contains what glands?
Major and minor vestibular glands
32
Vestibule is part of the?
Vulva
33
Proestrus is the begging of?
Endometrial growth
34
CL during proestrus
Regressing
35
Follicles during proestrus
Newly growing
36
Theca cells during proestrus
Stimulated by LH to produce androgens
37
Granulosa cells during proestrus
Stimulated by FSH to produce estrogens
38
What is estrus?
Sexual receptiveness
39
Ovulation usually occurs during which phase in most species?
Estrus
40
In the dog, CL develops during what phase?
Estrus
41
What is metestrus?
CL development → progesteron levels are climbing
42
Why is there no metestrus in the dog?
CL develops during estrus
43
Phase of active CL
Diestrus
44
When does uterus reach maximal gland development and activity?
Diestrus
45
During what phase does CL regress if no implantation occurs?
Diestrus
46
How does regression of CL during diestrus cause pseudopregnancy?
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
What is anestrus?
Prolonged period of sexual inactivity
48
When is estrogen secretion by granulosa cells maximal?
Estrus
49
Vaginal smear during anestrus
1. Non-keratinized | 2. PMNs and bacteria
50
Vaginal smear during proestrus
1. PMNs early then decrease 2. Numerous RBCs 3. Increasing keratinized cells 4. Nuclei pyknotic and square shaped
51
Vaginal smear during estrus
1. Some RBCs | 2. Mainly keratinized
52
Metestrus aka?
Diestrus
53
Vaginal smear during metestrus
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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