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Large Intestine Flashcards

1
Q

___ refers to three thickened bands of muscles

A

Taenia coli

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2
Q

Fatty tags is called ___

A

appendices epiploicae

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3
Q

What is the length of the transverse colon?

A

15 inches

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4
Q

What is the length of the sigmoid colon?

A

10-15 inches

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5
Q

What is the length of the descending colon?

A

10inches

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6
Q

What is the length of the rectum?

A

5 inches

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7
Q

What is the length of the ascending colon?

A

5 inches

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8
Q

What is the length of the anal colon?

A

4cm

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9
Q

The cecum lies in the ___ fossa

A

right iliac fossa

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10
Q

Which part of the large intestine with no mesentery?

A

cecum

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11
Q

What is the arterial supply of the cecum

A

Anterior/posterior cecal artery from SMA

Drains to the SMV

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12
Q

[Appendix]

what is the short triangular mesentery found in the appendix?

A

Mesoappendix

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13
Q

the base of the appendix is attached posteromedial of cecum aroung ___ inch below the ileocecal junction

A

1 inches

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14
Q

The mcburney point is located ___

A

1/3 of the way up the line joining the right ASIS to the umbilcus

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15
Q

What is the arterial supply of the appndix?

A
  1. Appendicular atery from ileocolic
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16
Q

The appendicular vein drains to ___

A

posterior cecal vein to SMV

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17
Q

Most common cause of appendicitis is adults

A

fecalith

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18
Q

Most common cause of appendicitis in children

A

hyperplasia of lymphatic tissue

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19
Q

In appendicitis, this corresponds to the irritated parietal peritoneum that is localized over the base of the appendix

A

McBurney point

20
Q

What nerve may be injured in appendectomy

A

Iliohypogastric nerve

due to weakening of anterior abdominal wall

21
Q

[Ascending colon]

What is the arterial supply of the ascending colon?

A
  1. Ileocolic
  2. right colic artery

both from SMA

22
Q

[Ascending colon]

What vein drains the ascending colin?

A
  1. Ileocolic
  2. Right colic vein

both drain to the SMV

23
Q

What is the longest, largest and most mobile portion of the colon?

A

Transverse colon

24
Q

What is the arterial supply of the transverse colon?

A
  1. Middle colic A from SMA
  2. Right colic from SMA
  3. Left colic from IMA
25
Q

What is the venous drainage of the transverse colon?

A
  1. Superior MV

2. Inferior MV

26
Q

The descending colon passes ___ (peritoneally/retroperitoneally) from the L colic flexure to the L iliac fossa

A

retroperitoneal

27
Q

What is the arterial supply of the descending colin?

A
  1. Left colic A
  2. Sigmoid A

both from the IMV

28
Q

What vein drains the descending colon?

29
Q

What artery provides collateral circulation if the IMA supplying the transverse colon is transected?

A

Middle colic artery

30
Q

The sigmoid colon extends from the iliac fossa to the ___ sacral vertebra

A

3rd sacral vertebra

31
Q

In males, what lies anterior to the sigmoid colon?

A

Urinary bladder

32
Q

In females, what lies anterior to the sigmoid colin?

A

Uterus and vagina

33
Q

The sigmoid artery supplies the sigmoid. It is a branch of?

34
Q

What is the venous drainage of the sigmoid?

35
Q

[diagnosis]

left sided colicky pain, abdominal distenstion, hematochezia

A

Sigmoid volvulus

36
Q

What is the arterial supply of the ascending and transverse colons?

A

SMA

parasympathetic from vagus

37
Q

What is the arterial supply of the descending and sigmoid colon?

A

IMA

parasympathetic fibers from the pelvic splanchnic nerve from S2 to S4

38
Q

Sympathetic and parasympathetic supply of

foregut

A

P: Vagus
S: T5 to T9

39
Q

Sympathetic and parasympathetic supply of midgut

A

P: Vagus
S: T5 to T12

40
Q

Sympathetic and parasympathetic supply of hindgut

A

P: pelvic splanchnic from S2 to S4

S: T11 to L2

41
Q

Pain originating from the foregut is perceived in the ___

A

epigastric area

42
Q

Pain originating from the midgut is perceived in the ___

A

periumbilical region

43
Q

Pain originating from the hindgut is perceived in the ___

A

hypogastric area

44
Q

What compose pre-aortic lymph node

A
  1. Celiac
  2. Superior Mesenteric
  3. Inferior Mesenteric
45
Q

The para-aortic LN are composed of

A
  1. Kidneys
  2. Suprarenal
  3. Gonads

Paraaortic = R/L lateral aortic = lumbar

46
Q

The superficial inguinal nodes drain these structures

A
  1. Perineum
  2. Genitalia
  3. Anal canal BELOW THE PECTINATE LINE

Anatomy (37 decks)

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