Digestive System Anatomy BIO 232

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7 Terms

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Esophagus

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Fundic region of stomach

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Rugae

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Pylorus

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Pyloric Sphincter

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<p>Name the layers of the stomach histology</p>

Name the layers of the stomach histology

The stomach is composed of four histological layers:

1st layer: Mucosa: Functions to physically protect against abrasion/secretion and/or absorption, respond to changes in the lumen.

2nd layer: Submucosa: Functions to support the mucosa layer with blood, nutrients, etc.

3rd layer: Muscularis externa: Functions to perform peristalsis.

4th layer: Serosa: Functions to provide lubrication/prevent overextension

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<p>Name the histology parts of the salivary gland.</p>

Name the histology parts of the salivary gland.

  1. Mucous Acini: Secretes mucin (lubricant)

  2. Serous Acini: Secretes proteins that transport saliva to the oral cavity.

  3. Ducts: Transports saliva and connects acini.