Abdominal Viscera 2 Flashcards

1
Q

where does the foregut begin?

A

abdominal esophagus

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2
Q

where does the foregut end?

A

first 1/3 of duodenum

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3
Q

to which gut does the proximal large intestine belong to?

A

midgut

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4
Q

to which gut does the distal large intestine belong to?

A

the hindgut

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5
Q

What is the cecum?

A

blind ended pouch covered in peritoneum but no mesentary

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6
Q

ileocecal valve

A

one way velave btw ileum and cecum that prevents backflow

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7
Q

where is the vermiform appendix located?

A

inferior aspect of the cecum

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8
Q

What is the veniform appendix suspended by?

A

mesoappendix

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9
Q

what side is the appendix on?

A

right side

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10
Q

What is mcburney’s point?

A

point on anterior ab wall that is lateral 1/3 of the distance from ASIS to umbilicus

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11
Q

What are the 4 parts of the colon?

A

ascending, transverse, descending, sigmoid

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12
Q

Wher is ascending colon?

A

right upper abdomen

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13
Q

Where is descending colon?

A

left upper abdomen

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14
Q

Which parts of the colon are retroperitoneal?

A

ascending colon and descending colon

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15
Q

Which parts of the colon are intraperitoneal?

A

transverse and sigmoid

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16
Q

What is taeniae coli?

A

3 longitudinal bands of smooth muscle that run along the outer layer of the entie colon

17
Q

What are haustra?

A

series of pouches in wall of colon, created my muscle tone in taeniae coli

18
Q

What does haustra allow for?

A

expansion and elongation of the colon

19
Q

What is the mesoclon?

A

peritoneal covering of the colon that has small arteries and veins that supply the colon

20
Q

What is the mesoappendix?

A

Peritoneal covering that connects the appendix to the ileum and cecum

21
Q

where does the midgut transfer to the hindgut?

A

distal 1/3 of the transverse colon

22
Q

which parts of the SMA supply the colon?

A

ileocolic, right colic, and middle colic branches (MRI)

23
Q

Which parts of the colon does the large intestine supply?

A

ascending and transverse

24
Q

Which parts of the colon fdes the IMA supply?

A

descending and sigmoid colon

25
Q

Which branches of the IMA supply the colon?

A

left colic, sigmoidal, and superior rectal branch

26
Q

what is the marginal artery of drummond?

A

an anastomoses btw the right, middle, and colic arteries that is key for collateral circulation or alternative supply?

27
Q

what are the 5 portions of the pancreas?

A

tail, body, neck, head, uncinate process

28
Q

Where is the portal vein with regards to the pancreas?

A

behind it

29
Q

Where is the SMA with regards to the pancreas?

A

behind it

30
Q

Where is the splenic artery with regards to the colon?

A

above the colon

31
Q

What does the splenic vein drain?

A

foregut - spleen, lower esophagus, stomach, pancreas (forgut!)

32
Q

where is the superior mesenteric vein?

A

within mesentery, anterior to 3rd part of dueodenum, joins splenic vein behind pancreas to form hepatic portal vein

33
Q

Where does superior mesenteric vein drain?

A

drains area supplied by SMA - ileocecum (what connects small intestine to large intestine) , left colic, middle colic

34
Q

where is inferior mesenteric vein?

A

left posterior mesenteric wall, joins splenic vein behind pancreas.

35
Q

Where does splenic vein drain into?

A

hepatic portal vein

36
Q

what does inferior rmesenteric vein drain?

A

areas supplied by IMA, left colic and sigmoidal, and superior rectal

37
Q

what two veins unite to form the hepatic portal vein?

A

splenic vein and superior mesenteric vein

38
Q

what kind of blood does hepatic portal vein carry?

A

blood rich with nutrients from digestive tract

39
Q

Where does hepatic portal vein carry blood to?

A

the hepatic portal vein carries nutrient rich blood to the liver