Jejunum And Ileum Flashcards Preview

Anatomy Module 5 > Jejunum And Ileum > Flashcards

Flashcards in Jejunum And Ileum Deck (36):
0

This is where the digestive tract resumes intraperitoneal course

Duodenojejunal flexure

1

Where jejunum begins

Duodenojejunal flexure

2

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

Ileo cecal junction

3

How long is jejunum and ileum

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

4

Mostly lie in the LUQ of the infracolic compartment

Jejunum
Ileum - RLQ

5

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

Jejunum

6

Where you can find Peyer's patches

Ileum

7

Most common site of Meckel's diverticulum

Ileum

8

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

Mesentery

9

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

Mesentery

10

Most mobile parts of the intestine

Transverse colon
Small intestine

11

Mesentery that has less fat and prominent arterial arcades

Mesentery of jejunum

12

Arterial supply of jejunum and ileum

SMA
Branches: jejunal and ileal a

13

Arteries unite and are called

Arterial arcades

14

Arterial arcades give rise to straight arteries called

Vasa recta

15

Have longer arterial arcades

Jejunum

16

Drains jejunum and ileum

SMV

17

SMV unites with splenic vein to form

Hepatic portal v

18

SMV unites with what to form portal v

Splenic v

19

Specialized LV in intestinal villi that absorbs fat

Lacteals

20

Within the mesentery, lymph passes to what lymph nodes

Juxtaintestinal
Mesenteric
Superior central

21

LN close to intestinal wall

Juxtaintestinal

22

LN scattered among arterial arcades

Mesenteric

23

LN located along the proximal part of SMA

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