Jejunum And Ileum Flashcards

(36 cards)

0
Q

Where jejunum begins

A

Duodenojejunal flexure

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1
Q

This is where the digestive tract resumes intraperitoneal course

A

Duodenojejunal flexure

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2
Q

Where ileum ends and is the union of terminal ileum and the cecum

A

Ileo cecal junction

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3
Q

How long is jejunum and ileum

A

6-7m
2/5 jejunum
3/5 ileum

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4
Q

Mostly lie in the LUQ of the infracolic compartment

A

Jejunum

Ileum - RLQ

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5
Q

Thicker walls
Larger in diameter
More vascular
Large and well developed circular folds

A

Jejunum

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6
Q

Where you can find Peyer’s patches

A

Ileum

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7
Q

Most common site of Meckel’s diverticulum

A

Ileum

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8
Q

Layer of peritoneum which encloses an organ and connects it to abdominal wall

A

Mesentery

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9
Q

Fan-shaped fold of peritoneum that attaches jejunum and ileum to posterior abdominal wall

A

Mesentery

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10
Q

Most mobile parts of the intestine

A

Transverse colon

Small intestine

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11
Q

Mesentery that has less fat and prominent arterial arcades

A

Mesentery of jejunum

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12
Q

Arterial supply of jejunum and ileum

A

SMA

Branches: jejunal and ileal a

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13
Q

Arteries unite and are called

A

Arterial arcades

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14
Q

Arterial arcades give rise to straight arteries called

A

Vasa recta

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15
Q

Have longer arterial arcades

16
Q

Drains jejunum and ileum

17
Q

SMV unites with splenic vein to form

A

Hepatic portal v

18
Q

SMV unites with what to form portal v

19
Q

Specialized LV in intestinal villi that absorbs fat

20
Q

Within the mesentery, lymph passes to what lymph nodes

A

Juxtaintestinal
Mesenteric
Superior central

21
Q

LN close to intestinal wall

A

Juxtaintestinal

22
Q

LN scattered among arterial arcades

23
Q

LN located along the proximal part of SMA

A

Superior central nodes

24
Mesenteric lymph nodes drains to
SM LN
25
Parasympathetic innervation of jejunum and ileum comes from
Posterior vagal trunk
26
Increase motility and secretion Vasodilation - effects of what kind of nervous stimulation
Parasympathetic
27
SMA and its branches are surrounded by _____________ through which nerves are conducted to the parts supplies by this artery
Periatrial nerve plexus
28
Sympathetic innervation of small intestine comes from
SM ganglion
29
Parasympathetic presynaptic fibers synapse with postsynaptic fibers where
Myenteric & submucosal plexus
30
SYMPATHETIC presynaptic fibers synapse with postsynaptic fibers where
Celiac and SM ganglia
31
Part of the intestine that has a feathery image
Jejunum
32
Has long vasa recta
Jejunum
33
Has many arterial arcades
Ileum
34
``` Most common malformation of GIT Finger-like pouch Remnant of embryonic yolk stalk From anti-mesenteric border May mimic acute appendicitis ```
Meckel's diverticulum
35
>50% of bowel is resected | STEP ( serial transverse enteroplasty procedure)
Short bowel syndrome