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Ch 8 Gastroenterolog

Esophagus and Stomach

small area where the esophagus enters the stomach cardia
partially digested food, saliva, and digestive enzymes in the stomach and small intestine chyme
flexible, muscular tube that moves food from the pharynx to the stomach esophagus
rounded, most superior part of the stomach fundus
muscular ring at the distal end of the esophagus. it keeps food in the stomach from going back into the esophagus (LES) lower esophageal sphincter
contractions of smooth muscle that propel a bolus of food, and then chyme, waste products, and water through the gastrointestinal tract peristalsis
muscular ring that keeps chyme in the stomach or opens to let chyme into the dudodenum pyloric sphincter
narrowing area of the stomach just before it joins the duodenum. it contains the pyloric sphincter pylorus
deep folds in the gastric mucosa that expand to accommodate food rugae
organ of digestion between the esophagus and small intestine. its areas are: cardia, fundus, body and pylorus. secretes hydrochloric acid HCL, pepsinogen and gastrin. secretes intrinsic factor to absorb vitamin B12 stomach
esophag/o- esophagus
stal/o- contraction
pylor/o- pylorus
gastr/o- stomach
Created by: ricrom81