PLN 103 Lecture Notes - Lecture 8: Muscularis Mucosae, Muscular Layer, Greater Omentum
17 Nov 2015
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The lesser omentum: stabilizes position of stomach, provides access route for blood vessels and other structures entering or leaving liver. The falciform ligament: helps stabilize position of liver. The dorsal mesentary: enlarges to form greater omentum. Hangs like an apron, and extends between the body wall and the anterior surface of. Adipose tissue: in g. o. protects, provides insulin, stores lipid energy reserves. Mentary proper: thick mesenterial sheet, provides stability, associated with initial portion of small intestine, locks structures in position. Mesocolon: associated with large intestine, fuse to dorsal body wall, lock regions in place. Alimentary canal: made up of mucosa, submucose, muscularis externa and serosa (exam) Mucosa: inner lining of the digestive track, mucosal epithelium is simple or stratified. Oral cavity, pharynx + esophagus: mechanical stresses, lined by stratified squamous epi. : absorption, simple columnar epithelium with mucous cells. Enterendocrine cells: scattered among columnar cells of digestive epithelium. Submucosa: dense, irregular connective tissue, surrounds muscularis mucosae.
