ILT- Anatomy GI vessels, Peritoneum Flashcards

1
Q

Peritoneum

A

Continusou transpert serous membrane that lines the abdominopelvic cavity and invests the viscera

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2
Q

Parietal Peritoneum

A

Lines the internal surface of the abdominopelvic wall

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3
Q

Visceral peritoneum

A

Covers viscera such as the stomach and intestines

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4
Q

Mesentery

A

double layer of peritoneum that occurs as result of the invagination of the peritoneum by an organ and constitutes a continuity of the visceral and parietal peritoneum

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5
Q

Omentum

A

Double-layered extension or fold of peritoneum that passes from stomach and proximal part of duodenum to adjacent organs in the abdominal cavity

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6
Q

Peritoneal ligament

A

consists of a double layer of peritoneum that connects an organ w/another organ or to the abdominal wall

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7
Q

What is the lesser omentum derived from?

A

Ventral mesentery

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8
Q

What is the greater omentum derived from?

A

Dorsal mesentery

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9
Q

The lesser omentum contains waht two ligaments?

A

Hepatogastric and hepatoduodenal ligaments

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10
Q

Does the spleen develop in the dorsal or ventral mesentery?

A

Dorsal!

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11
Q

What structure connects the greater and lesser sacs?

A

Omental formaen (epiploic foramen)

Bounded by the portal vein, hepatic artery and common bile duct

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12
Q

What is the greater sac?

A

Abdominal cavity outside of the lesser sac

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13
Q

What is the less sac?

A

Enter through omental foramen

Space behind the lesser omentum (connecting liver and lesser curvature of stomach)

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14
Q

What is another name for the lesser sac?

A

Omental bursa

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15
Q

Three branches of the celiac trunk?

A

Left Gastric
Splenic
Common Hepatic

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16
Q

What artery anastamoses between the superior and inferior mesenteric arteries?

A

Marginal artery

17
Q

What organs are drained by the hepatic portal system?

A
Large and small bowel
Stomach
Spleen
Pancreas
(Esophagus)
18
Q

What are the 3 portal-caval anastomoses?

A

Esophageal/Azyogus : L Gastric Vein (esophageal varices)

Epigastric veins : Paraumbilical Veins (caput medusae)

Inferior Rectal : Superior Rectal (rectal hemorrhoids)

19
Q

Blood supply of foregut?

Innervation?

A

Celiac trunk

Vagus

20
Q

Blood supply of midgut?

Innervation?

A

Superior Mesenteric

Vagus

21
Q

Blood supply of hindgut?

Innervation

A

Inferior Mesenteric

Pelvic Splanchnic

22
Q

What is the clinical value of anastomoses?

A

Provide collateral circulation in cases of obstruction of one vessel