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GASTRO-INTESTINAL MEDICINE AND HEPATOLOGY > GENERAL FEATURES OF THE GI TRACT > Flashcards

GENERAL FEATURES OF THE GI TRACT Flashcards

1
Q

What is the name of the outer most layer (away from the lumen) of any part of the GI tract?

A

Serosa

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2
Q

What is found directly underneath (towards the lumen) the serosa in the GI tract?

A

Longitudinal muscle

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3
Q

What is found directly underneath (towards the lumen) the longitudinal muscle in the GI tract?

A

Circular muscle

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4
Q

What is the name of the layer found below (towards the lumen) of the GI tract?

A

Submucosa

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5
Q

What is the name of the inner most layer (containing the lumen) of the GI tract?

A

Mucosa - split into epithelium, lamina propria and muscularis mucosa.

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6
Q

In which layer of the GI tract do you find the body of the glands secreting the digestive enzymes?

A

Submucosa

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7
Q

What is the function of the circular muscle layer in the GI tract?

A

To mix the contents of the lumen

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8
Q

What is the function of the longitudinal muscle in the GI tract?

A

Peristalsis

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9
Q

What are the two types of innervation to the GI tract?

A

Intrinsic

Extrinsic - autonomic (sympathetic and parasympathetic)

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10
Q

Which cells are responsible for secreting gastrin?

A

APUD cells - more specifically G cells

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11
Q

What does APUD stand for, with regard to the hormone secreting cells in the GI tract?

A

Amine Precursor Uptake and Decarboxylation

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12
Q

What are the branches of the coeliac artery?

A

Splenic artery
Gastric artery
Hepatic artery

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13
Q

Which organ(s) does the splenic artery supply?

A

Spleen

Pancreas

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14
Q

What is the name of the artery that supplies the small intestine as well as part of the pancreas?

A

Superior mesenteric artery

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15
Q

What is the name of the artery that supplies the large intestine?

A

Inferior mesenteric artery

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16
Q

Which organs does the portal vein drain?

A 
Stomach
Spleen
Pancreas
Small intestine
Large intestine

GASTRO-INTESTINAL MEDICINE AND HEPATOLOGY (24 decks)

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