The difference between the tunics of the esophagus from the default tunic pattern of mucosa and muscularis. Concept introduction: The hollow tube from the esophagus to large intestine is known as alimentary canal or GI tract. GI tract is made up of four-layer or tunics. Innermost mucosa, submucosa, muscularis and outermost layer adventitia or serosa is the four concentric layer of GI tract wall. The tunics of the esophagus are also similar to the tunics of GI tract. The innermost layer mucosa is divided into three sections: innermost epithelium which consists of simpler columnar cells, middle lamina propria is supplied with blood and lymphatic capillaries and the outermost section muscularis mucosae which are made up of smooth muscles.

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Chapter 26.2, Problem 12WDYL

Summary Introduction

To determine:

The difference between the tunics of the esophagus from the default tunic pattern of mucosa and muscularis.

Concept introduction:

The hollow tube from the esophagus to large intestine is known as alimentary canal or GI tract. GI tract is made up of four-layer or tunics. Innermost mucosa, submucosa, muscularis and outermost layer adventitia or serosa is the four concentric layer of GI tract wall. The tunics of the esophagus are also similar to the tunics of GI tract.

The innermost layer mucosa is divided into three sections: innermost epithelium which consists of simpler columnar cells, middle lamina propria is supplied with blood and lymphatic capillaries and the outermost section muscularis mucosae which are made up of smooth muscles.

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