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Anatomy > Large intestine > Flashcards

Large intestine Flashcards

1
Q

Length of transverse colon

A

38 cm

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2
Q

Length of sigmoid colon

A

25 to 38 cm

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3
Q

Length of descending colon

A

25 cm

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4
Q

Length of Rectum

A

13 cm

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5
Q

Length of Ascending colon

A

13 cm

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6
Q

Length of Anal Colon

A

4 cm

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7
Q

Length of cecum

A

6 cm

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8
Q

Blood supply of cecum

A

anterior and posterior cecal artery from ileocolic from SMA

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9
Q

Venous drainage of cecum

A

anterior and posterior cecal vein from ileocolic vein from SMV

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10
Q

Length of appendix

A

6 to 10 cm

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11
Q

Most common position of appendix

A

retrocecal

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12
Q

blood supply of appendix

A

appendicular artery from ileocolic artery from SMA

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13
Q

venous drainage of appendix

A

appendicular vein from posterior cecal vein from SMV

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14
Q

what nerve maybe injured in appendectomy

A

iliohypogastric nerve

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15
Q

most common cause of appendicitis

A

children: hyperplasia of lymphatic tissue
adult: fecalith

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16
Q

blood supply of ascending colon

A

Ileocolic and right colic artery from SMA

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17
Q

venous drainage of ascending colon

A

ileocolic and right colic vein from SMV

18
Q

blood supply of transverse colon

A

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

19
Q

venous drainage of transverse colonc

A

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

20
Q

blood supply of descending colon

A

left colic from IMA

left sigmoid from IMA

21
Q

venous drainage of descending colon

A

left colic from IMV

left sigmoid from IMV

22
Q

relations of sigmoid colon

A 
anterior
1. male - urinary bladder
2. female - uterus and vagina
posterior
1. rectum
2. sacrum
23
Q

blood supply of sigmoid colon

A

sigmoid artery from IMA

24
Q

venous drainage of sigoid colon

A

sigmoid vein from IMV

25
Q

location of sigmoid colon

A

iliac fossa to S3

26
Q

location of rectum

A

S3 to tip of coccyx

27
Q

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

A

valves of houston

28
Q

blood supply of rectum

A
  1. superior rectal from IMA
  2. middle rectal from Internal iliac artery
  3. inferior rectal from internal pudendal artery
29
Q

venous drainage of rectum

A
  1. superior rectal to IMV
  2. middle rectal to Internal iliac vein
  3. inferior rectal to internal pudendal vein to internal iliac vein
30
Q

separates the anal canal into superior and inferior part

A

dentate line
pectinate line
anorectal line

31
Q

location of anal canal

A

from puborectalis to anus

32
Q

location of hemorrhoids

A
  1. left lateral
  2. right anterior
  3. right posterior
33
Q

characteristics of the upper part of anal canal

A
  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
Q

characteristic of the lower part of anal canal

A
  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
Q

Foregut nerve supply

A

parasympathetic: vagus nerve
sympathetic: T5 - T9

36
Q

Midgut nerve supply

A

parasympathetic: vagus nerve
sympathetic: T5 - T12

37
Q

Hindgut nerve supply

A

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

38
Q

Pain in foregut

A

epigastric region

39
Q

pain in midgut

A

periumbilical region

40
Q

pain in hindgut

A

hypogastric region

Anatomy (22 decks)

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