Transverse mesocolon and sigmoid mesocolon peritoneal

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Unformatted text preview: that bind different segments of the small and large intestine to the posterior abdominal wall o Mesentery: connects majority of the small intestine (jejenum and ileum) o Ex. transverse mesocolon and sigmoid mesocolon Peritoneal cavity: narrow space, occupied with a few mL of serous fluid; consists of the lesser and greater sac - Lesser sac: posterior to the liver and stomach – can extend into the greater omentum (unusual because folds of greater omentum usually fuse together) - Greater sac: remaining abdominal cavity - Peritonitis – infection of peritoneal cavity, producing serous fluid; ascites – excess serous fluid o Fluid typically accumulates in deepest part of peritoneal cavity; drain fluid via anal canal Stomach: muscular sac, 25 cm L and 12 cm W, normal capacity is 1 ­1.5 L - L hypochondriac, epigastric and umbilical regions - Greater and lesser curvature - Cardia sphincter: physiological sphincter (not anatomical, no concentric smooth muscle layers) at point where esophagus joins stomach - Fundus (roof): above imaginary h...
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