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
What is the venous drainage of the transverse colon?
1. Superior MV | 2. Inferior MV
26
The descending colon passes ___ (peritoneally/retroperitoneally) from the L colic flexure to the L iliac fossa
retroperitoneal
27
What is the arterial supply of the descending colin?
1. Left colic A 2. Sigmoid A both from the IMV
28
What vein drains the descending colon?
IMV
29
What artery provides collateral circulation if the IMA supplying the transverse colon is transected?
Middle colic artery
30
The sigmoid colon extends from the iliac fossa to the ___ sacral vertebra
3rd sacral vertebra
31
In males, what lies anterior to the sigmoid colon?
Urinary bladder
32
In females, what lies anterior to the sigmoid colin?
Uterus and vagina
33
The sigmoid artery supplies the sigmoid. It is a branch of?
IMA
34
What is the venous drainage of the sigmoid?
IMV
35
[diagnosis] left sided colicky pain, abdominal distenstion, hematochezia
Sigmoid volvulus
36
What is the arterial supply of the ascending and transverse colons?
SMA parasympathetic from vagus
37
What is the arterial supply of the descending and sigmoid colon?
IMA parasympathetic fibers from the pelvic splanchnic nerve from S2 to S4
38
Sympathetic and parasympathetic supply of foregut
P: Vagus S: T5 to T9
39
Sympathetic and parasympathetic supply of midgut
P: Vagus S: T5 to T12
40
Sympathetic and parasympathetic supply of hindgut
P: pelvic splanchnic from S2 to S4 S: T11 to L2
41
Pain originating from the foregut is perceived in the ___
epigastric area
42
Pain originating from the midgut is perceived in the ___
periumbilical region
43
Pain originating from the hindgut is perceived in the ___
hypogastric area
44
What compose pre-aortic lymph node
1. Celiac 2. Superior Mesenteric 3. Inferior Mesenteric
45
The para-aortic LN are composed of
1. Kidneys 2. Suprarenal 3. Gonads Paraaortic = R/L lateral aortic = lumbar
46
The superficial inguinal nodes drain these structures
1. Perineum 2. Genitalia 3. Anal canal BELOW THE PECTINATE LINE