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Physiology > The Stomach > Flashcards

The Stomach Flashcards

1
Q

What are the 3 functional parts of the stomach?

A

Fundus
Corpus
Antrum

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2
Q

What are the 3 major areas that the gastric mucosa is divided?

A

Cardiac area
Main gastric area
Pyloric area

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3
Q

What do the cells of cardiac glands secrete?

A

Mucous

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4
Q

What are the cells present in main gastric area (stomach)?

A

Oxyntic (parietal) cells
Peptic (chief) cells
Mucous cells
Enteroendocrine cells

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5
Q

What is the function of oxyntic( parietal) cells?

A

Secrete HCl
Secrete intrinsic factor for vitamin B12 absorption

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6
Q

What is the function of peptic (chief) cells?

A

Secrete enzymes pepsinogens (inactive form)

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7
Q

What is the function of mucous cells?

A

Protection of the stomach from being digested

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8
Q

What does enteroendocrine cells contain?

A

Enterochromafin like cells
G-cells
D-cells

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9
Q

What does ECL secrete?

A

Histamine

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10
Q

What does G-cells secrete?

A

Gastrin

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11
Q

What does D-cells secrete?

A

Somatostatin

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Physiology (30 decks)

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