Gastrointestinal Flashcards

1
Q

why is there a narrowing of the yolk

A

due to cranial caudal folding

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2
Q

how does the midgut attah to the yolk sac

A

vitelline duct

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3
Q

what is meckle’s diverticulum

A

issues with the vitelline duct

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4
Q

where does the liver go

A

to the right

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5
Q

where does the duodenum go

A

from midline to the right hand side

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6
Q

what happens to the duodenum and pancreas

A

move to the side and become retropertioneal (also due to fusion with the peritoneum)

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7
Q

what cell population is the

A

biliary system and liver from

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8
Q

a ventral outgrowth ofthe foreugregut goes into what

A

ventral mesentery

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9
Q

what week does this occur

A

week 3

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10
Q

what does the hepatic diverticulum form

A

liver crianially
caudally bile duct

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11
Q

what does the liver bud project into

A

septum transversum

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12
Q

formation of the hepatic cord intermingles with what

A

umbilical and vitelline veins

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13
Q

what does this form

A

hepatic sinusoids

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14
Q

what does the septum transversum form

A

hematopoeitc cells
kupffer cells and connective tissue

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15
Q

what does the section between the bile duct and liver form

A

left and right hepatic duct

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16
Q

between gall bladder and bile duct

A

cystic ducts

17
Q

what do the pancreatic ducts communicate with

A

bile ducts

18
Q

what week does the spleen develop

A

5

19
Q

why does the primary intestinal loop have vitelline ducts

A

communicate between yolk sac and umbilical cords

20
Q

what part of the midgut keeps growing

A

the cranial limb

21
Q

what will the small intestine and large intestine do

A

foirm coils

22
Q

what order does the 180 clockwise spine occur

A

jejunum then cecal

23
Q

what happens tot he cecnum

A

it desecnds