lower GI Flashcards
motility of lower G.I.
25 to 30 hours
Segmental mixing
Mass movement for elimination
absorption and lower G.I.
Mainly fluid
Water, ions, minerals, vitamins
large intestine
Wider than the small intestine, and begins be on the ileocecal sphincter and ends at anus
teniae coli
longitudinal layer of smooth muscle is arranged in three discreet strips
contractions of tenae coli cause…
the wall of the large intestine to form bulges known as haustra
Secretion in large intestine
minimal mucosal cells
digestion in large intestine
None other than bacterial fermentation
Absorption in large intestine
Nutrient absorption completed prior to entry
Fluid absorption
Storage in large intestine
fecal waste in left colon
congenital Hirschsprung’s disease
Absent nerve cells in the muscles of the babies colon
Failure to have a bowel movement within 48 hours after birth
diverticulitis of colon
Rupture, bleeding pain, diarrhea
ulcerative colitis
Rectal and colon bleeding thinning of wall- megacolon