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Peritoneum
24.3--Peritoneum
Term | Definition |
---|---|
Peritoneum | Largest serous membrane; simple squamous (serosa) and connective tissue |
Peritoneal Cavity | Slim space between parietal and visceral portions of organs, contains serous fluid |
Retroperitoneal Organs | Organs that lie against posterior abdominal wall and do not project into peritoneal cavity. |
Anterior Peritoneum ONLY | Ascending and Descending Colon, Duodenum, and Pancreas |
Peritoneal Folds | Fat filled folds of peritoneum that reflect from parietal peritoneum to visceral peritoneum of one organ to another. |
Greater Omentum | Apron; Attaches onto greater curvature of stomach and duodenum down to inferior portion of small intestine and back up to transverse colon |
Falciform Ligament | Liver to anterior abdominal wall |
Lesser Omentum | Anterior fold of serosa of stomach and duodenum. Suspends stomach and duodenum from liver. Pathway for hepatic porttal vein, common hepatic artery, and common bile duct + lymph nodes |
Mesentery | Binds jejunum and ileum of small intestine to posterior abdominal wall. Wraps around for double layer (with blood vessels, nodes.) |
Mesocolon | Bind Transverse Colon and Sigmouid Colon to Posterior Abdominal Wall |