9- Blood & Nerves of Abdominal Organs Flashcards

1
Q

What are the branches of the abdominal aorta that supply the foregut, midgut, and hindgut?

A

Celiac Trunk (retroperitoneal) = Supplies foregut

Superior Mesenteric A. (intraperitoneal) = Supplies midgut

Inferior Mesenteric A. (retroperitoneal) = Supplies hindgut

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2
Q

What are the organs in the foregut?

A
Distal esophagus 
Stomach
Duodenum (proximal to bile duct)
Liver
Gallbladder and Cystic Duct 
Pancreas
Spleen
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3
Q

What are the branches of the Celiac Trunk?

A

Common Hepatic A.
Left Gastric A.
Splenic A.

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4
Q

What organs does the Common Hepatic A. supply?

A
Liver
Gallbladder and bile ducts
Stomach
Duodenum 
Pancreas
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5
Q

What do branches of the Left Gastric A. supply?

A

Distal Esophagus

Stomach (Lesser Curvature)

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6
Q

What do branches of the Splenic A. supply?

A
Spleen
Body of Pancreas
Posterior Stomach
Stomach (Greater Curvature) 
Fundus of Stomach
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7
Q

What branch of the Splenic A. supplies the greater curvature of the stomach?

A

Left Gastroepiploic A.

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8
Q

What branch of the Splenic A. supplies the fundus of the stomach?

A

Short Gastric As.

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9
Q

This branch of the Superior Mesenteric A. supplies the duodenum and pancreas.

A

Inferior Pancreaticoduodenal A.

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10
Q

These arteries are intestinal and intraperitoneal in the mesentery. Branches of the Superior Mesenteric A.

A

Jejunal A.

Ileal A.

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11
Q

This branch of the Superior Mesenteric A. is intraperitoneal in the transverse mesocolon.

A

Middle Colic A.

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12
Q

What are the colic branches of the Superior Mesenteric A.?

A

Right Colic A.
Ileocolic A.
Middle Colic A.

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13
Q

What are the branches of the Inferior Mesenteric A.?

A

Left Colic A.
Sigmoid As. (intraperitoneal in sigmoid mesocolon)
Superior Rectal A.

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14
Q

This artery supplies the proximal rectum.

A

Superior Rectal A.

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15
Q

There exists arterial anastomoses between the SMA and the IMA, predominantly one artery called the…

A

Marginal A. (of Drummond)

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16
Q

The Marginal A. (of Drummond) consists of multiple anastomoses connecting SMA and IMA, which are…

A

Right Colic A.
Middle Colic A. (intraperitoneal)
Left Colic A.
Sigmoid As. (intraperitoneal)

17
Q

What supplies blood to the rectum?

A

Superior Rectal A.
Middle Rectal A.
Inferior Rectal A.

18
Q

Where do each of the rectal arteries branch from?

A

Superior Rectal A. = Inferior Mesenteric A.

Middle Rectal A. = Internal Iliac A. (in pelvic cavity)

Inferior Rectal A. = Internal Pudendal A. (in perineum)

19
Q

Veins of this system drain blood from the viscera (stomach, spleen, and intestines) to the liver so that nutrients are absorbed.

A

Hepatic Portal System

20
Q

Why do Portal-System anastomoses occur?

A

Due to decreased blood flow through the liver

21
Q

Review notes for blood supply to each organ!

A

Review