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Terms and conditions of the Gastroenterology unit.

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Term
Definition
albumin   the major protein molecule in the blood, produced by the liver  
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anus   the external opening of the rectum, located between the buttocks  
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benign   non-cancerous  
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bile   a yellow-green, bitter-tasting thick fluid produced by the liver, a combination of bile acids, mucus, fluid and 2 pigments  
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bile duct   ducts which transport bile from the liver to the duodenum, collectively known as the biliary tree  
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bilirubin   the yellow pigment in bile  
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biliverdin   the green pigment in bile  
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cardia   small area where the esophagus enters the stomach  
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cecum   a short sac-like portion of the large intestine  
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Crohn   a type of inflammatory bowel disease  
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chime   partially digested food, saliva, and digestive enzymes in the stomach and small intestine  
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colon   the longest part of the large intestine, traveling through all four quadrants of the abdomen  
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diverticulum   weakness in the wall of the colon where the mucosa forms a pouch or tube.  
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duodenum   a 10-inch C-shaped segment beginning at the stomach and ending after the jejunum  
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elimination   undigested materials and water are eliminated from the body in a solid waste form  
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emesis   the expelling of food from the stomach through the mouth  
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enema   liquid instilled into the rectum and colon  
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enzymes   proteins that speed up chemical reactions in the body  
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esophagus   a flexible, muscular tube connecting the pharynx to the stomach  
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feces   (also stool) formed, solid waste composed of undigested material, bacteria, and water that is eliminated from the body  
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flatus   gas produced by bacteria that inhabit the large intestine  
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fundus   rounded, most superior part of the stomach  
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gallbladder   a teardrop-shaped, dark green sac posterior to the liver which concentrates and stores bile from the liver  
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gluten   a mixture of insoluble plant proteins occurring in cereal grains, chiefly corn and wheat, used as an adhesive and as a flour substitute.  
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gravidarum   pregnancy  
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haustra   pouches in the wall of the large intestine that expand to accommodate the bulk of undigested materials  
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hernia   weakness in the muscle of the diaphragm or abdominal wall. The intestine bulges through the defect.  
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ileum   a 12-foot segment of the small intestine where absorption of nutrients is completed  
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ileus   abnormal absence of peristalsis in the small and large intestines  
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intestine   the lower part of the alimentary canal, extending from the pylorus to the anus  
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jejunum   the 8-foot, second part of the small intestine which twists and turns in the abdominal cavity  
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liver   a large, dark, red-brown organ located in the upper abdomen  
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lumen   open channel inside a tubular structure such as the esophagus, small intestine, and large intestine  
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omentum   an extension of the peritoneum which supports the stomach and hangs down as a fatty apron to cover and protect the small intestine  
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meconium   a thick, sticky, green-to-black waste that is passed after birth  
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melena   dark, tar-like feces that contains digested blood from bleeding in the esophagus or stomach  
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mesentery   a thick fan-shaped extension of the peritoneum, which supports the jejunum and ileum  
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mucosa   mucous membrane that lines the gastrointestinal system and produces mucus  
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nausea   an unpleasant, queasy feeling in the stomach that precedes the urge to vomit  
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pancreas   a yellow, lumpy gland posterior to the stomach which secretes digestive enzymes into the duodenum  
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palate   the hard bone and posterior soft tissues that form the roof of the mouth  
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patent   open  
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pedunculated   having a thin stalk that supports an irregular, ball-shaped top  
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peritoneum   a double-layer serous membrane , one lining the abdominopelvic cavity, the other surrounds each of the organs  
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pharynx   the passageway for food as well as inhaled and exhaled air  
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polyp   small, fleshy benign or precancerous growth in mucosa  
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pyloris   one of four regions of the stomach  
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rectum   a short, straight segment of colon that connects to the outside of the body  
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reflux   a flowing back; regurgitation  
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rugae   thick, deep folds of gastric mucosa that expand as the stomach fills with food  
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saliva   a lubricant that moistens food as it is chewed and swallowed, also containing an enzyme that begins digestion  
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sessile   a mound with a broad base  
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sigmoid   the last portion of the colon which bends toward the midline and joins the rectum  
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stool   (also feces) a solid waste form of undigested materials and water  
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sphincter   a muscular ring  
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stoma   an artificial permanent opening especially in the abdominal wall made in surgical procedures  
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ulcer   erosion of tissue  
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uvula   fleshy hanging part of soft palate, plays a role in speech and during swallowing  
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varix, varices   swollen, protruding vein(s)  
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villi   small, thin structures that project into an area, in the small intestine they increase the surface area to maximize absorption of food and nutrients through the intestinal wall into the blood.  
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