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Flashcards in Large intestine Deck (40):
1

Length of transverse colon

38 cm

2

Length of sigmoid colon

25 to 38 cm

3

Length of descending colon

25 cm

4

Length of Rectum

13 cm

5

Length of Ascending colon

13 cm

6

Length of Anal Colon

4 cm

7

Length of cecum

6 cm

8

Blood supply of cecum

anterior and posterior cecal artery from ileocolic from SMA

9

Venous drainage of cecum

anterior and posterior cecal vein from ileocolic vein from SMV

10

Length of appendix

6 to 10 cm

11

Most common position of appendix

retrocecal

12

blood supply of appendix

appendicular artery from ileocolic artery from SMA

13

venous drainage of appendix

appendicular vein from posterior cecal vein from SMV

14

what nerve maybe injured in appendectomy

iliohypogastric nerve

15

most common cause of appendicitis

children: hyperplasia of lymphatic tissue
adult: fecalith

16

blood supply of ascending colon

Ileocolic and right colic artery from SMA

17

venous drainage of ascending colon

ileocolic and right colic vein from SMV

18

blood supply of transverse colon

right colic from SMA
middle colic from SMA
left colic from IMA

19

venous drainage of transverse colonc

right colic from SMV
middle colic from SMV
left colic from IMV

20

blood supply of descending colon

left colic from IMA
left sigmoid from IMA

21

venous drainage of descending colon

left colic from IMV
left sigmoid from IMV

22

relations of sigmoid colon

anterior
1. male - urinary bladder
2. female - uterus and vagina
posterior
1. rectum
2. sacrum

23

blood supply of sigmoid colon

sigmoid artery from IMA

24

venous drainage of sigoid colon

sigmoid vein from IMV

25

location of sigmoid colon

iliac fossa to S3

26

location of rectum

S3 to tip of coccyx

27

It is a mucosal infolding that divides the rectum in to 3 parts

valves of houston

28

blood supply of rectum

1. superior rectal from IMA
2. middle rectal from Internal iliac artery
3. inferior rectal from internal pudendal artery

29

venous drainage of rectum

1. superior rectal to IMV
2. middle rectal to Internal iliac vein
3. inferior rectal to internal pudendal vein to internal iliac vein

30

separates the anal canal into superior and inferior part

dentate line
pectinate line
anorectal line

31

location of anal canal

from puborectalis to anus

32

location of hemorrhoids

1. left lateral
2. right anterior
3. right posterior

33

characteristics of the upper part of anal canal

1. hindgut
2. columnar epithelium
3. with anal columns
4. sensitive to stretch
5. superior rectal vessels
6. inferior mesenteric LN
7. internal hemorrhoids

34

characteristic of the lower part of anal canal

1. ectoderm
2. stratified squamos epithelium
3. no anal columns
4. sensitive to pain, temperature, pressure, touch
5. inferior rectal vessels
6. superficiial inguinal LN
7. external hemorrhoids

35

Foregut nerve supply

parasympathetic: vagus nerve
sympathetic: T5 - T9

36

Midgut nerve supply

parasympathetic: vagus nerve
sympathetic: T5 - T12

37

Hindgut nerve supply

parasympathetic: pelvic splanchnic nerves S2 - S4
sympathetic: T11 - L2

38

Pain in foregut

epigastric region

39

pain in midgut

periumbilical region

40

pain in hindgut

hypogastric region