18 - Gastric Pathology Flashcards

1
Q

Anatomical regions of the stomach

A
G-E Junction
Cardia
Fundus
Body
Antrum
Pylorus
Duodenum
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2
Q

Cardia

A

Adjacent to the esophagus

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3
Q

Fundus

A

Above G-E junction

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4
Q

Body

A

Most of the stomach

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5
Q

Antrum

A

Beginning of the outflow tract

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6
Q

Pylorus

A

Outflow tract

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7
Q

Epithelium - Antrum & Pylorus

A

Mostly mucous glands

Also G-Cells

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8
Q

Epithelium - Body

A

Parietal Cells - IF and Protons

Chief Cells - Pepsinogen

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9
Q

Ruggal Folds

A

In Stomach!

Increase surface areaf

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10
Q

Layers of the gastric wall

A

Mucosa
Submucosa
Muscularis propria
Serosa

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11
Q

3 Layers of the mucosa

A

Epithelium
Lamina propria
Muscularis mucosa

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12
Q

Muscularis propria

A

Bidirectional

Provides propulsion

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13
Q

Esophagus - Serosa?

A

Has no serosa. Only has adventitia!

That means no mesothelial lining. Only loose connective tissue!

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14
Q

Body - Oxyntic Glands

A

Parietal Cells

Chief Cells

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15
Q

Parietal Cells - On Histo

A

Fried Egg

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16
Q

Chief Cells - On Histo

A

Bluer

17
Q

Normal gastric antral mucosa - On Histo

A

G-Cells

18
Q

G-Cells

A

Secrete gastrin in response to high pH

Gastrin stimulates parietal cells to increase acid production!

19
Q

Gastritis - Causis

A

H. Pylori Infection
NSAID/other “chemical gastritis-Reactive gastropathy
Autoimmunity