Gut Flashcards

1
Q

What are the organs found in the intraperitoneal space?

A
  • Gallbladder, bile duct
  • Stomach
  • Proximal 1/4 of Duodenum (superior)
  • Ileum
  • Jejunum
  • Cecum
  • Appendix
  • Transverse colon
  • Sigmoid colon
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2
Q

What are the organs found in the primary retroperitoneal space?

A
  • Rectum

- Kidneys

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3
Q

What are the organs found in the secondary retroperitoneal space?

A
  • Distal 3/4 of Duodenum (descending, horizontal, ascending)
  • Pancreas
  • Ascending colon
  • Descending colon
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4
Q

From what two organs does the lesser omentum originate? What are the two ligaments associated with the lesser omentum?

A

Liver and stomach

  • Hepatogastric ligament (liver and stomach)
  • Hepatoduodenal ligament (liver and duodenum)
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5
Q

What three structures compose the portal triad?

A
  • Portal v.
  • Proper hepatic a.
  • Bile duct
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6
Q

What are the two types of hiatal hernias? Describe them.

A
  • Sliding hiatal hernia: abdominal esophagus and stomach cardia slide through esophageal hiatus
  • Paraesophageal hiatal hernia: stomach fundus slides through the esophageal hiatus
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7
Q

How do the Vagus nn. rotate with the stomach?

A
  • Left Vagus n. wraps to anterior esophagus

- Right Vagus n. wraps posterior to esophagus

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8
Q

What is the name of the suspensory muscle that supports the flexure at the duodenum? What is the name of this flexure?

A

Ligament of Treitz supports the duodenojejunal flexure

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9
Q

What is the name of the folds in the small intestine and what parts of the intestine are they present in?

A

Plicae circulaes are found in the jejunum (proximal 2/5 of small intestines)

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10
Q

What is the name of the nodules found in the small intestine and what parts of the intestine are they present in?

A

Lymphoid nodules (Peyer’s patches) are found in the ileum (distal 3/5 of small intestines)

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11
Q

What is the name of the congenital defect found in the small intestine and how prevalent is it? What is it a remnant of?

A

Ileal (Meckel’s) Diverticulum is a remnant of the yolk stalk and is found in about 2% of the population

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12
Q

At what vertebral level does referred pain in appendicitis originate? Where is the localized pain located?

A

Referred pain: T10

Localized pain: RLQ

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13
Q

Which of the colic flexures sits higher?

A

Left (splenic) sits higher than the right (hepatic) because there is no liver in the way

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14
Q

What is the purpose of the paracolic gutters?

A

Allow for the spreading of fluid within the peritoneal cavity

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15
Q

What are the three characteristics not found in the rectum that are found in the rest of the large intestine?

A
  • Teniae coli
  • Haustra
  • Omental appendices
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16
Q

What is the name of the suspensory muscle that supports the flexure of the rectum? What is the name of this flexure?

A

The puborectalis supports the anorectal flexure

17
Q

What are the 3 main tributaries of the Portal System? What vein do they all drain into?

A
  • Splenic v.
  • SMV
  • IMV
    All drain into the Portal v.
18
Q

Why is the right kidney slightly more inferior than the left kidney?

A

Liver is in the way

19
Q

What are the 3 vessels found in the renal hilum and in what order do they present?

A
  • Renal vein (anterior)
  • Renal artery
  • Renal pelvis (posterior)
20
Q

At what vertebral level does the bifurcation of the Abdominal Aorta occur? What arteries does it split into?

A

At L4, the AA bifurcates into the common iliac aa.

21
Q

At what vertebral level does the bifurcation of the IVC occur? What veins does it split into?

A

At L5, the IV bifurcates into the common iliac vv.

22
Q

What are the paired branches of the Abdominal Aorta? (hint: there are 8 lol)

A
  • Inferior phrenic aa. to Superior suprarenal aa.
  • Middle suprarenal aa.
  • Renal aa. to Inferior suprarenal aa.
  • Gonadal aa.
  • Subcostal aa. (T12)
  • Lumbar aa.
23
Q

What veins do the left and right gonadal veins drain into?

A
  • Left gonadal vein drains into left renal vein

- Right gonadal vein drains directly into IVC

24
Q

The Iliacus muscle sits directly inferior to the _____ and directly lateral to the _____

A

Iliacus is inferior to the Quadratus lumborum and lateral to the Psoas