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LECOM histology > LECT 15- Female Reproductive system > Flashcards

LECT 15- Female Reproductive system Flashcards

1
Q

what cavity do the ovaries lie within

A

peritoneal cavity

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2
Q

what type of cells cover the surface of the ovary

A

single layer of cuboidal cells

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3
Q

what do primordial germ cells arise from

A

embryonic yolk sac

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4
Q

when does oogenesis begin

A

during fetal life

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5
Q

at what stage does the primary oocyte arrest

A

prophase 1

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6
Q

what stage is absent in meiosis 2 that occurs in meiosis 1

A

S phase

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7
Q

what is the oocyte of a primordial follicle surrounded by

A

single layer of squamous cells

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8
Q

what is the main hormonal influence of the primary follicle

A

FSH

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9
Q

what produces FSH

A

pituitary

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10
Q

what type of epithelial layer do follicular/granulosa cells form in primary follicles

A

single layer of cuboidal cells

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11
Q

what is the main component of the zone pellucida

A

glycoprotein

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12
Q

what is the theca internal next to

A

follicular cells

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13
Q

what do the theca interna cells secrete

A

steroids (androstenedione)

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14
Q

what enzyme is needed to convert androgen to estrogen and where is it located

A

C19 aromas located in adipose tissue

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15
Q

what cavity appears in the secondary follicle

A

antrum

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16
Q

what is the granulosa cell layer that surrounds the oocyte

A

corona radiata

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17
Q

what is the small hill of granulose cells that the oocyte rests on

A

cumulus oophorus

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18
Q

what secretes the hormone-rich fluid that is contained in the antrum

A

granulosa cells

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19
Q

what is the mature follicle

A

graafian follicle

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20
Q

what is present in the graafian follicle that is not previously present

A

cumulus oophorus

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21
Q

where is the theca interna located in relation to the granulose cells

A

exterior to granulosa cells

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22
Q

what surges immediately prior to ovulation

A

LH

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23
Q

where does the secondary oocyte arrest

A

metaphase 2

24
Q

what is the indication of impending ovulation

A

stigma

25
Q

what is released and lost during ovulation

A

ovum is released and antral fluid is lost

26
Q

what surrounds the oocyte after ovulation

A

corona radiata cells

27
Q

what inhibits pituitary LH and FSH in order to prevent ovulation of other follicles

A

Corpus luteum

28
Q

what releases HcG the first 4-5 months of pregnancy

A

corpus luteum

29
Q

what does the corpus lute degenerate to become if pregnancy does not occur

A

corpus albicans

30
Q

what do granulose lutein cells secrete

A

progesterone

31
Q

what do theca lutein cells secrete

A

progesterone and androgens

32
Q

what are the primordial follicles that are not released from the ovary at ovulation that degenerate called

A

atretic follicles

33
Q

what is broken down with the degeneration that results in the atretic follicles

A

breakdown of oocyte, zona pellucida, and granulose cells

34
Q

what secretes GnRH

A

hypothalamus

35
Q

what inhibits release of GnRH after process gets to corpus luteum

A

estrogen, progesterone and inhibin

36
Q

what is the main hormone during the first 14 days of cycle

A

estrogen

37
Q

what is the main hormone during the last 14 days of cycel

A

progesteron

38
Q

what is the most numerous cell in the oviduct

A

ciliated simple columnar epithelium

39
Q

what secretes the nutritive material for the ovum

A

secretory cells (peg cells)

40
Q

what are the 3 parts of the uterus

A

funds, body and cervix

41
Q

what are benign growths of the muscle inside the uterus

A

uterine fibroids (leiomyomas/myomas)

42
Q

where is the worst place to get uterine fibroids

A

the lower portion of the uterus

43
Q

who has a greater chance of developing uterine fibroids

A

women who have not been pregnant at an early age (before age 30)

44
Q

which area of the endometrium changes dramatically with each menstrual cycle

A

functional area

45
Q

what is the main hormone in the proliferative phase

A

estrogen

46
Q

what is the main hormone in the secretory phase

A

progesterone

47
Q

what do the epithelial cells accumulate during the proliferative stage

A

glycogen

48
Q

when does the endometrium obtain its greatest height

A

the secretory stage

49
Q

what happens to the functionalis during menstrual stage

A

it is entirely lost

50
Q

what is the main indicator histologically of the menstrual phase

A

RVCs

51
Q

what is the ectocervix lined by

A

stratified squamous non-keratinized epithelium

52
Q

what epithelium is in the internal os of the cervix

A

simple columnar epithelium

53
Q

what cells in the vagina are constantly being shed

A

squamous epithelial cells

54
Q

what junction occurs at the transformation (T) zone

A

squamo-columnar junction

55
Q

where does all cervical precancerous lesions develop

A

T zone

56
Q

what type of epithelium is in the fibromuscular canal of the vagina

A

non-keratinized stratified squamous epithelium

LECOM histology (12 decks)

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