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Histology > Unit 4 Topic 3 > Flashcards

Unit 4 Topic 3 Flashcards

1
Q

What is found in the medulla?

A

loose connective tissue with blood vessels and nerves

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2
Q

What is found in the cortex?

A

connective tissue that contains follicles, oocytes, and theca folliculi

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3
Q

What is oogenesis?

A

female gamete development

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4
Q

What happens in oogenesis at 3-5 month fetus?

A

meiosis I begins, primary oocyte forms and arrests in prophase I

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5
Q

What happens in oogenesis during puberty?

A

meiosis I resumes and secondary oocyte forms, meiosis II begins, secondary oocyte arrests at metaphase I and is released with ovulation

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6
Q

What happens in oogenesis during fertilization?

A

meiosis II completion, ovum and sperm nuclei unite to create zygote

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7
Q

What follicle is a single layer of squamous follicular cells with basal lamina located deep to tunica albugenia?

A

primordial follicle

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8
Q

What follicle contains primary oocyte with eccentric nuclei?

A

primordial follicle

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9
Q

Is there zona pellucid in primordial follicles?

A

no

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10
Q

What follicle has cuboidal cells and is proliferative?

A

primary follicle

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11
Q

what follicle produces the primary oocyte?

A

primary follicle

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12
Q

What is secreted from the primary oocyte?

A

clear acellular material (zona pellucida)

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13
Q

What is the connective tissue sheath formed by stromal cells surrounding the follicle?

A

theca follicular

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14
Q

What is contained in the theca interna?

A

contains cells processing lare numbers of LH receptors, fibroblasts, collagen bundles, and blood vessels

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15
Q

What is contained in the theca externa

A

smooth muscle and collagen

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16
Q

Where does the secondary follicle migrate to?

A

deeper into cortex

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17
Q

What do the granulosa cells multiply and become in secondary follicles?

A

stratified cuboidal cells

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18
Q

What follicle synthesizes and secretes steroid hormones?

A

secondary follicle

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19
Q

What hormone stimulates the theca internal to secrete androgen and progesterone?

A

LH

20
Q

what stimulates granulosa cells to make estrogen in secondary follicles?

A

FSH

21
Q

What hormone surges 24 hours prior to ovulation?

A

LH (due to high levels of estrogen)

22
Q

What is stimulated in the graafian follicle?

A

stimulates oocyte maturation creating secondary oocyte arrested in metaphase II

23
Q

What are the structural changes that occur in postmenopasual ovary?

A

no functional follicles, no estrogen production, FSH levels increase, ovary atrophies and is non-palpable

24
Q

What is the structure of the oviduct?

A

includes the infundibulum with fimbriae, ampulla, isthmus, and uterine regions

25
Q

What is contained in the mucosa?

A

composed of mostly ciliated simple columnar epithelium with thin longitudinal folds that project into the lumen of the uterine tube

26
Q

What part of the mucosa responds to hormonal changes?

A

uterine tube

27
Q

What is the function of the oviduct?

A

connect ovary and uterus

28
Q

What is the typical site of ovum fertilization?

A

oviduct

29
Q

What is the inner most mucosal layer of simple columnar epithelium with lamina propria?

A

endometrium

30
Q

What layer of the uterus responds to cyclic changes of hormones?

A

endometrium

31
Q

What zone is not sloughed off during menstration?

A

stratum basalis

32
Q

What is the regenerative zone for stratum functionalis?

A

stratum basalis

33
Q

What layer is closest to the lumen and lost during menstraton?

A

stratum functionalis

34
Q

What layer is the middle layer of smooth muscle?

A

myometrium

35
Q

What layer is the outer layer of visceral peritoneum?

A

perimetrium

36
Q

What phase is influenced by estrogen?

A

proliferative phase

37
Q

What occurs during ovarian follicular phase with rapid proliferation of basal cells and elongation of spiral arteries?

A

proliferative phase

38
Q

What phase is progesterone influenced?

A

secretory phase

39
Q

What coincides with the activity of the corpus luteum with edematous s. functionals and gland enlargement?

A

secretory

40
Q

What is influenced by red of estrogen and progesterone?

A

Menstrual phase

41
Q

What contracts and breaks down to fill the lamina propria with blood?

A

spiral arteries

42
Q

Endocervical canal is lined with….

A

simple columnar epithelium with glands

43
Q

Ectocervix is lined with…

A

stratified squamous

44
Q

What type of gland is a mammary gland?

A

modified sweat glands

45
Q

What allows for erection of the nipple?

A

stroma contains smooth muscle

Histology (15 decks)

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