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A&P CH15 key terms

A&P CH15 Digestion and Nutrition

TermDefinition
alimentary canal the tubular portion of digestive tract that leads from the mouth to the anus
bile fluid secreted by liver and stored in gallbladder
calorie a unit used to measure heat energy and the energy content of foods
chyme semi fluid mass of partially digested food that passes from the stomach to the small intestine
feces material expelled from the digestive tract during defecation
gastric juice secretion of the gastric glands within the stomach
intestinal villus small, finger-like projections that extend into the lumen of the small intestine
intrinsic factor a substance that the gastric glands produce to promote absorption of vitamin B-12
malnutrition physical symptoms resulting from lack of specific nutrients
mesentery a fold of peritoneal membrane that attaches an abdominal organ to the abdominal wall
mineral element not found in organic compounds that is essential in human metabolism
nutrient a chemical that the body requires from the environment
pancreatic juice digestive secretions of the pancreas
peristalsis rhythmic waves of muscular contraction in the walls of certain tubular organs
vitamin an organic compound,, other than a carbohydrate, lipid, or protein, required for normal metabolism but that the body cannot synthesize in adequate amounts
 



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