8/8/2019 Histology Lecture - Gastrointestinal System

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8/8/2019 Histology Lecture - Gastrointestinal System

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8/8/2019 Histology Lecture - Gastrointestinal System

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8/8/2019 Histology Lecture - Gastrointestinal System

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8/8/2019 Histology Lecture - Gastrointestinal System

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8/8/2019 Histology Lecture - Gastrointestinal System

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8/8/2019 Histology Lecture - Gastrointestinal System

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Submucosa

- Similar to one found in the stomach except for the duodenumo Duodenal gland of brunner ducts of which emtrpies in the intestinal gland

of liberkuhn

Tubular coiled glands producing an alkaline mucus, bicarbonate,eurogastrone (inhibites HCl secretion)

Seen in the submucosa of the duodenum near the stomach forprotection Secretory glands is made up of tall cuboidal cells with a basal

nucleus, granular rough endoplasmic reticulm, supernumeral golgi

app = characteristic of a zymogen (chon secreting cell)

Muscularis externa

- Inner circular- Outer longitudinal

Serosa- Outermost layer of the small intestine- Simple squamous epithelium = mesothelium