KIN 291 1st Edition Lecture 7Current LectureI. Peritoneum:a. Thin, serous membrane (mesentery) that lines b. 2 divisionsi. Parietal peritoneum: lines the wall of the abdominal and pelvic cavities1. Provides support: intestines; mesentery; stomach; omenta; liver; falciform ligamentc. Peritoneal vs. Retroperitoneal Cavityi. Physical block between these two are connective tissueII. Esophagus:a. Made smooth muscle tissueb. Squeezes things down (like toothpaste)c. Opening in the diaphragm where esophagus called “esophageal hiatus”d. Cardiac sphincter:i. If have a problem with this it’s called Gastroesphageal junction.III. Stomach:a. Food storage systemb. Mix food with gastric secretions to form chimec. Chime delivery to small intestined. Orifices: cardiac superiorly & pyloric inferiorly e. Divisions: 1) fundus, 2) body 3) antrum 4)pyloric canal & pyloric sphincterIV. Antrum: Different layers of musclea. Gastric pits: holds in the stomachb. Gastric glands produce enzymes to help digest foodsThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.V. Small intestine: made of smooth muscle a. Divided into duodenum, jenunum, ileumb. Circular folds: slow down so we can absorb as many nutrients as possiblei. Villi & microvilli: where absorption of nutrients occurVI. Large intestine:a. Ascending colon, sigmoid colon, high vascularized structure, major arteries feed into large intestineVII. Appendixa. Lower left quadrantb. Likely important as bacterial banki. Appendicitis 1. Burst can happen if not taken