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Repro Week 1 > Embryology > Flashcards

Embryology Flashcards

1
Q

what part of embryo tissue is femal repro from?

A

intermediate mesoderm

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2
Q

what is the specific part of the intermediate mesoderm that forms majority of repro tract?

A

urogenital ridge

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3
Q

what cells at the urogenital rudge lead to testes and ovaries?

A

primordial germ cells

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4
Q

female tubes come from what structure?

A

paramesonephric duct

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5
Q

male tubes come from what structure?

A

mesonephric duct

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6
Q

what is another name for the paramesonephric duct?

A

Mullerian

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7
Q

what is another name for the mesonephric duct?

A

wolffian

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8
Q

explain how female to male change happens? what is the gene?

A

SRY gene on Y chromosome leas to formation of the semineferous tubules that then make anti mullerian hormone that destroys the paramesonephric ducts

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9
Q

the urogenital sinus leads to what in the female?

A

the distal vagina

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10
Q

the urogenital sinus leads to what in the male?

A

bladder and urethra

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11
Q

explain how the uterus forms, what week?

A

by week 10…2 oviducts are formed and come together in midline to form uterus and upper portion of the vagina then ductal walls dissolve

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12
Q

what is uterus didelphys?

A

failure of fusion…2 uteri

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13
Q

what is bicornuate uterus?

A

failure of dissolution of septum between two oviducts of uterus

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14
Q

what tract do ovaries follow as they descend?

A

follow the gubernaculum

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15
Q

what does the gubernaculum become in the female?

A

ovarian and round ligament

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16
Q

what week can you see external genitalia differences?

A

week 12

17
Q

what is cryptopchordism?

A

testes fail to descend

18
Q

what is a hydrocele?

A

fluid collection in space between parietal and visceral layer of the tunica vaginalis

19
Q

what is a bifid scrotum?

A

failure of two lobes of scrotum to fuse together…lobes are called lumbosacral swellings

20
Q

what leads to the ureter in embryo?

A

mesonephric duct

21
Q

what leads to the bladder in embryo?

A

urogenital sinus

22
Q

what leads to the urethra in embryo?

A

urogenital folds

23
Q

what is hypospadias?

A

urethral opening in a male is on the ventral side of the penis instead of the dorsal

Repro Week 1 (5 decks)

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