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Q2. Describe the basic four layers of the wall of the digestive tract. Be sure to...

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Medical Sciences

Q2. Describe the basic four layers of the wall of thedigestive tract. Be sure to include tissue types found there andthe function of the layer.

Mucosa – Absorption and secretion

  • Epithelium
  • Lamina Propria
  • Muscularis mucosae

Submucosa – Supports mucosa

Muscularis Externa – Motility that propels food and residualthrough the digestive tract

  • Inner circular layer
  • Outer longitudinal layer

Serosa – Secretion of fluid that reduces the friction from themuscle movement

  • Areolar tissue
  • Mesothelium

Q3. Though that basic pattern above is followedthroughout most of the digestive tract, there are a few placeswhere we see deviations. Identify two areas with variations in thispattern and describe the differences seen.

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Question 2 the wall of GI tract is formed by four layers 1 Mucus layer innermost layer It has three layers a Epithelial lining it is in contact with contents of GIT It has stratified squamous    See Answer
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