Gastrointestinal Nursing.pdf

192 Glossarypeptic ulcer – an ulcer of the mucous membrane of the oesophagus, stomachor small bowel, caused by action of acidic gastric juice.percutaneous endoscopic gastrostomy (PEG) – endoscopic insertion of agastrostomy feeding tube for enteral feeding.peristalsis – bands of circular muscle contraction that cause the movement ofdigestive contents through the gastrointestinal tract.peritonitis – inflammatory disease of the peritoneum.Peyer’s patch – a concentrated region of lymphoid tissue on the mucosa of thesmall intestine.pyloric sphincter – physiological muscular sphincter that controls the passageof food from the stomach into the small intestine.pylorus – distal region of the stomach.rectum – distal portion of the colon.ruga – fold of mucosa of stomach (plural: rugae).satiety – loss of feeling of hunger.steatorrhoea – condition with high fat content in faeces.stoma – an opening established in the abdominal wall by either a colostomy orileostomy.stress ulcer – an acute form of gastritis that is related to severe trauma orillness.ulcerative colitis – chronic, recurrent ulceration of the colon.upper oesophageal sphincter – physiological sphincter at the upper end of theoesophagus.varices – dilated veins, can occur in oesophagus or stomach.