chapter 6 definitions Flashcards
define ascites
abnormal accumulation of serous fluid in the peritoneal cavity
define borborygmus
gurgling or rumbling sound heard over the large intestine caused by gas moving through the intestines
define cirrhosis
chronic liver disease characterized by destruction of liver cells that eventually leads to ineffective liver function and jaundice
define celiac disease
disorder that damages the lining of the small intestine in response to gluten ingestion, which results in malabsorption of nutrients
define diverticular disease
condition in which bulging pouches (diverticula) in the gastrointestinal (GI) tract push the mucosal lining through the surrounding muscle
define dysentery
inflammation of the intestine, especially of the colon, which may be caused by chemical irritants, bacteria, protozoa, or parasites
define fistula
abnormal passage from one organ to another or from a hollow organ to the surface
define gastroesophageal reflux disease(GERD)
backflow (reflux) of gastric contents into the esophagus caused by malfunction of the lower esophageal sphincter (LES)
define hematochezia
passage of stools containing bright red blood
define hemorrhoid
mass of enlarged, twisted varicose veins in the mucous membrane inside or just outsife the rectum; known as piles
define hernia
protrusion or projection of an organ or part of an organ through the wall of the cavity that normally contains it
define inflammatory bowel disease
ulceration of the colon mucosa
define crohns disease
chronic IBD that usually effects the ileum but may affect any portion of the intestinal tract; regional enteritis
define ulcerative colitis
chronic IBD of the colon characterized by episodes of diarrhea, rectal bleeding, and pain
what is irritable bowel syndrome (IBS)?
condition characterized by gastrointestinal signs and symptoms, including constipation, diarrhea, gas, and bloating all in the absence of organic pathology; aka splastic colon
define obesity
condition in which a person accumulates an amount of fat that exceeds the body’s skeletal and physical standards, usually an increase of 20% or greater than the ideal body weight
define morbid obesity
severe obesity in which a person has a BMI of 40 or greater, which is generally 100 pounds more than the ideal body weight
define pancreatitiss
inflammation of the pancreas where pancreatic enzymes attack pancreatic tissue
define peritonitis
bacterial or fungal infection of the peritoneum that can result from any rupture (perforation) in the abdomen or as a complication of other medical conditions
define polyp
small, stalklike growth that resembles a mushroom and protrudes upward or outward from a mucous membrane surface
define volvulus
twisting of the bowel on itself, causing obstruction
define barium enema (BE)
radiographic examination of the rectum and colon after administration of barium into the rectum; called lower GI series
define barium swallow
radiographic examination of the esophagus, stomach, and small intestine after oral administration of barium; upper GI series
define computed tomography (CT)
tomography in which a narrow beam of x-rays rotates in a full arc around the patient to acquire multiple views of the body; which a computer interprets to produce cross-sectional images of an internal organ or tisse