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Obstetrics and Gynaecology > Histology > Flashcards

Histology Flashcards

1
Q

what do the ovaries produce?

A

gamates

steroids (O + P)

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2
Q

what does the medulla of the ovary contain?

A

connective tissue
contorted arteries
veins
lymphatics

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3
Q

what does the cortex of the ovary contain?

A

scattered ovarian follicles in highly cellular connective tissue stroma

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4
Q

what is the outer shell of the cortex?

A

dense connective tissue layer called the tunica albuginea lined by a single layer of cuboidal cells called the germinal epithelium

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5
Q

what is folliculogenesis?

A

growth of the follicle (oocyte + support cells)

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6
Q

what is the primordial follicle?

A

surrounded by squamous pregranulosa cells

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7
Q

what is the primary follicle?

A

surrounded by cuboidal granulosa cells (zona granulosa)

zona pellucida forms between oocyte and granulosa cells

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8
Q

what is the late primary follicle?

A

granulosa cell form theca interna and externa which secretes oestrogen precursors

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9
Q

what is the secondary follicle?

A

antrum fills with follicular fluid

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10
Q

what is the Graafian follicle?

A

largest antral follicle

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11
Q

what does follicular stigma indicate?

A

immediate rupture of the follicle as one part of the wall thins to allow release of the oocyte.

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12
Q

what does the follicle transform into after ovulation?

A

corpus luteum

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13
Q

what does the corpus luteum become?

A

corpus albicans if no implantation

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14
Q

what lines the cervix?

A

stratified squamous epithelium that transitions to simple columnar towards the uterus

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15
Q

what is the breast?

A

gland made up of lobules

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16
Q

drainage of ducts in the breast to the nipple

A

terminal ductules > intralobular collecting duct > lactiferous duct > lactiferous sinus > nipple

17
Q

what lines the acini?

A

cuboidal and columnar cells

18
Q

what lines teh lactiferous ducts?

A

stratified squamous and stratified columnar

19
Q

what embryological structure gives rise to the fallopian tubes, uterus and vagina?

A

paramesonephric duct

20
Q

what does mutation in the AMH genes cause?

A

the paramesonephric duct does not regress presenting with vagina + fallopian tubes with testes in ovarian location and external male genitalia.

Obstetrics and Gynaecology (31 decks)

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