Lower GI Flashcards
what is the lower GI consist of
large intenstine
how long the large intenstine
approximately 5 feet long (1.5 m) and 2.5 inches in diameter (6.5 cm)
what is the large intestine composed of
cecum, colon, rectum and anal canal
where do the contents from the small intestine enter
the cecum through the ileocecal valve
how is contents moved
through peristalsis
how are large amounts of mucus secreted
by goblet cells in the epithelial layer of the large intestines
what is flatus
normal byproduct of digestion
what is diarrhea
the frequent passage of loose or liquid stools
what is constipation
infrequent or incomplete passage of hard stools resulting from a decrease in peristaltic activity
what is IBS
irritable bowel syndrome - a common disorder of the intestines characterized by altered bowel habits and pain in the absence of specific organic pathology
what is IBD
inflammatory bowel disease - general term that includes both ulcerative colitis and Crohn’s disease.
what is Crohn’s disease
an inflammation extending into the deeper layers of the intestinal walls
