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- The smooth muscle cells are arranged in two different ways in intestinal wall. Explain the significance of two different arrangements of smooth muscle cells in intestinal wall i.e. how these arrangements relate to the function.Some of the intestinal epithelial cells, called goblet cells, contain small globules of mucus. Why are there cells in the small intestine that produce mucus?Describe the role of these cells found in gastric glands: parietal, chief, mucous neck, and enteroendocrine.
- What different types of epithelial cells are found in the gastrointestinal tract and how do they differ between different parts?A.) What major transition in cell types happens from the esophagus into the stomach? B.) How are the major change discussed in question 8 related to the functions of the esophagus versus the stomach? C) What type of epithelial tissue is the primary type that forms the inner mucosal layer of the small intestine?What changes would you expect to observe in the liver at the tissue level of a patient with a chronic viral infection? what are the long term implications for the patient if left untreated and how would this affect tissue function?
- Which is a correct statement about the Na+/K+ transporter (pump), and its cytology and cellular role? It is found the basal side of intestinal epithelial cells, pumping Na+ out of the cell into the blood. It is found on the plasma membrane of neurons, pumping Na+ into axons from the blood. It is found on the membrane of the lysosome, pumping K+ into the lumen of the lysosome. It is found on the apical side of intestinal epithelia, pumping K+ into the lumen of the intestine.On the histological preparation of the walls of the small intestine: there * are groups of cells at the bottom of the crypt, in the apical part of which there are large acidophilic secretory granules; the cytoplasm is basophilic. What are these cells? goblet cells. Columnar cell with a border. O Endocrine cells. Cells without border. Paneth cells.Crohn disease causes inflammatory reactions that damage the lining of the intestines. In areas where attacks are occurring, the inflammation can cause damage to the entire lining, so that the contents of the lumen of the intestine are exposed to, for example, the peritoneal cavity. Describe the layers that this inflammation would need to penetrate in order to damage the entire wall of the intestine. Inflammation begins at the epithelial lining.
- Explain why the small intestine would function poorly if it had the same type of mucosal epithelium as the esophagus?The single layer of columnar epithelial cells lining the small intestine has a brush border of microvilli. How do you think microvilli increase absorption?What are the functions and components of the mucosa's individual layers?