The GI tract is lined by a series of tissues in an organized way. Describe the...

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Medical Sciences

The GI tract is lined by a series of tissues in anorganized way. Describe the four layers of the GI tract (5 points).Using the stomach as a model organ, discuss the various cell typesthat exist, their function, and the communication that existsamongst the various cell types in order to accomplish its digestivefunction. Be sure to explain the types of communication that arepresent (e.g. autocrine, paracrine, endocrine etc.) (10points)

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The GI tract contains four layers the innermost layer is the mucosa underneath this is the submucosa followed by the muscularis propria and finally the outermost layer the adventitia Mucosa A lining epithelium including glandular tissue an underlying layer of loose connective tissue called the lamina propria which provides vascular support for the epithelium and often contains mucosal glands Products of digestion pass into these capillaries Lymphoid follicles and plasma cells are also often found here Finally a thin double layer of smooth muscle is often present the muscularis mucosa for local movement of the mucosa SubmucosaA loose connective tissue layer See Answer

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