BIOL 2402 Lecture Notes - Peristalsis, Cecum, Jejunum
28 Jun 2022
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Ingestion: taking in food via the mouth; eating a: propulsion: movement of food through the gi tract via swallowing or peristalsis i. Peristalsis: major method of propulsion using alternating waves of contraction in a single direction to move material forward: mechanical digestion: chewing (mastication), mixing of food with saliva, churning food in stomach, & segmentation i. Visceral peritoneum: membrane on the external surface of most digestive organs (viscera means internal organs, especially of the abdominal cavity) Parietal peritoneum: lines the inside wall of the abdominal cavity (parietal means relating to the walls of the body, body cavity, or a hollow structure) Intraperitoneal: located completely within the peritoneum (intra- means inside or within) Retroperitoneal: located behind the peritoneum; includes most of the pancreas & duodenum of small intestine, & parts of the large intestine (retro- means behind: peritonitis: inflammation of the peritoneum (-itis means inflammation) i. ii. iii.
