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They have basally located nuclei and a basophilic cytoplasm with abundant rough endoplasmic reticulum and many secretory granules that contain pepsinogen. chief cell ∙ 2010-11-08 18:01:22. Essentials of Human Physiology. digestive system cells Flashcards | Quizlet chief cells digestive system The enteric nervous system provides intrinsic innervation, and the autonomic nervous system provides extrinsic innervation. … Specialized Cells - Digestive System - Maggie Herndon They … View by Investigator Name; View by Scientific Focus Area ; Accomplishments. Pepsin is important in … Digestive System - Anatomy & Physiology Transcript of The Digestive System - Cells, Tissues and Organs. The main function of simple epithelial cells is protection. The simple columnar epithelial cell is made up of the microvili (increases the surface area of the cell), cytoplasm, nucleus, basal liminia (lines outer surfaces of cell membrane) and has loose connective tissue. Digestive Systems In the main body of the stomach, chief cells produce digestive enzymes; however, upon injury, they undergo rapid proliferation for prompt tissue regeneration. Ulcers are open wounds in or on an organ caused by bacteria Like the rest of the digestive tract, the epithelial (or the first level) cells are mainly for secretion of mucus, in order to help the passage of food. The cheeks form its lateral walls. The type of epithelium differs, in some places serving a protective role … This protects the chief cells, because pepsinogen does not have the same enzyme functionality of pepsin. Wall of the Alimentary Canal Four concentric layers: • Mucosa: • Epithelial Lining: • Simple columnar epithelium (in stomach & intestine). Chief Cells