Digestive System - Midgut Flashcards

1
Q

Where does the midgut pass from and to

A

The distal duodenum all the way to 2/3’s along the transverse colon

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2
Q

What does the midgut contain

A

The small and large intestines

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3
Q

Where does the arterial supply come from

A

Superior mesenteric artery (L1)

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4
Q

Where does blood drain to

A

Portal vein, then enters the liver

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5
Q

What is the function of the peritoneum

A

It lines the abdominal cavity and holds organs to the body wall

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6
Q

What is the main function of the lesser omentum

A

It carries structures to/from the porta hepatis

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7
Q

How many sheets make up the greater (lesser) omentum

A

4 (2)

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8
Q

What does the mesentery of the small intestine carry

A

Blood vessels, autonomic nerves and lymphatic vessels

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9
Q

What are the coils of the small intestine called

A

Jejunum and ileum

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10
Q

Where does the ileum pass from and to

A

The jejunum to the caecum at the ilio-caecal junction

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11
Q

How much of the small intestine does the jejunum (ileum) make up

A

2/5 (3/5)

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12
Q

What is the caecum

A

First part of the large intestine

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13
Q

Describe what the caecum looks like

A

A swollen sac at the proximal end of the ascending colon; has a small outgrowth (appendix)

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14
Q

Where does the ascending colon lie between

A

The caecum and the transverse colon

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15
Q

Where does the ascending colon end

A

The hepatic flexure

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16
Q

What is the main function of sacculations in the ascending colon

A

They help to grip food and move it along the tube; due to the lack of fluid

17
Q

Where does the transverse colon lie between

A

The ascending and descending colons; more specifically between the hepatic and splenic flexures