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HFF Test 3 > Reproductive System > Flashcards

Reproductive System Flashcards

1
Q

In the ovary, the cortex contains

A

follices

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2
Q

The medulla in the ovary is

A

vascularized

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3
Q

Granulosa cells secrete

A

estrogen

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4
Q

What makes follicles mature

A

estrogen and FSH

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5
Q

Ovulation is triggered by

A

LH

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6
Q

Primordial follicle

A
  • found in superficial cortex
  • Oocyte surrounded by simple squamous epithelium
  • Oocyte in prophase of first meiotic division
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7
Q

Unimlaminar primary follice

A
  • beginning in puberty, FSH from pituitary stimulates process of follicular growth
  • Oocyte surrounded by simple cuboidal
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8
Q

Multilaminar primary follice(growing follicle)

A
  • Follicular cells proliferate
  • Oocyte surrounded by stratified cuboidal epithelium (granulosa)
  • Zona pellucida appears between oocyte and first layerof granulosa cells
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9
Q

Glycoprotein coat initiates

A

acrosome reaction (ZP3 and ZP4 sprem receptors)

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10
Q

Interstitial cells

A

differentiate into theca folliculi

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11
Q

Granulosa cells accumulate

A

liqur folliculi

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12
Q

Granulosa

A
  • creates fluid filled chamber = antrum

- Converts androgens to estradiol via aromatase

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13
Q

theca folliculi is seperated from the granulosa by

A

basement membrane

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14
Q

Theca folliculi layers

A
  • theca interna

- theca externa

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15
Q

theca interna

A

endocrine tissue that secretes androgens

converts to estradiol, returned and secreted into blood

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16
Q

Theca externa

A

connective tissue and smooth muscle

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17
Q

Oocyte surrounded by several layers of granulosa cells

A

corona radiata

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18
Q

Oocyte in the antrum is suspended by

A

cumulusoophorus

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19
Q

in ovulation, the response from a surge of LH

A
  • oocyte in mature follie completes first meiotic division, arrested in metaphase II
  • Granulosa cells produce prostaglandins/hyaluronan, ovarian wall weaks
  • mature follicle rupture and releases ovum together with coronaradiata
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20
Q

ruptured follicle fills with blood

A

corpus hemorrhagicum

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21
Q

what is the central clot later replaced with

A

dense connective tissue

22
Q

Granulosa lutein cells secrete

A

progesterone and estrogen

23
Q

theca lutein cells secrete

A

androgens and progesterone

24
Q

After 14 days of absence of pregnancy, the corpus luteum

A

degenerates

25
Q

No LH

A

no pregnancy

26
Q

Decreased progesterone

A

leads to menstruation

27
Q

dense connective scar

A

corpus albicans

28
Q

follicles thatfail to mature, die via

A

atresia

29
Q

Fimbriae

A

swepts ovum into oviduct

30
Q

Oviduct

A
  • 3 layered tube to provide environment for fertilization and groeth
  • Folded mucosa, muscularis, serosa
31
Q

Epithelium contains what type of cells

A
  • Ciliated cells (beat towards uterus)

- Peg

32
Q

What are Peg cells

A

They secrete factors that activate sperm and provide nutrition and protection for ovum or zygote

33
Q

Where does fertilization usually occur

A

in the ampulla

34
Q

What the endometrium composed of in the uterus

A

Functionalis and Basalis

35
Q

What does the functionalis layer do

A

it sheds during menstruation

36
Q

What does the Basalis layer do

A

remains after menstruation and contains bases of glands

37
Q

What is the functionalis supplied by

A

coiled arteries that are progesterone sensitive

38
Q

What is the proliferative stage stimulated by

A

estrogen

39
Q

What sitmulates the epithelial cells of the corpus luteum

A

progesterone

40
Q

Epithelium of endocerix at birth

A

stratified squamous non-keratinized

41
Q

at the transformation zone, what is happening

A

columnar epithelium in the endocervix is being replaced by stratified squamous epithelium from the ectocervix

42
Q

What cause epithelial cells to synthesize glycogen in the vagina

A

estrogen

43
Q

what role do sertoli cells have

A

physically and metabolically suport developing sperm

form blood-testes barrier

44
Q

What cell produces sperm

A

spermatogenic cells

45
Q

what cells produce androgens

A

leydig cells

46
Q

what is the epididymis lined with

A

pseudostratified columnar epithelium

47
Q

where does sperm undergo final maturation

A

epididymis

48
Q

what does the seminal vesicle contribute

A
  • 70% of volume
  • Fructose
  • Prostaglandins
  • Fibrinogen
49
Q

Prostate gland

A

secrete proteolytic enzymes , composed of zinc, citric acid and acid phosphatase

50
Q

Prostate:Transition zone

A

mucosal glands

51
Q

Prostate: Central zone

A

submucosal glands

52
Q

Prostate: Peripheral zone

A

main glands

HFF Test 3 (10 decks)

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