Gastroenterology Flashcards
Absorption
Process of transferring nutrients from the digestive tract into the bloodstream
alimentary canal
route of digestion that includes all structures from the mouth to the anus, excluding accessory organs of digestion; also known as the digestive or GI tract
bolus
mass of masticated (chewed) food
cardiac sphincter
circular muscle at the top of the stomach that allows food from the esophagus to enter the stomach
chyme
mixture of partially digested food and saliva
defecation
passage of feces from the bowels
deglutition
swallowing
digestion
chemical and physical breakdown of food in the GI tract
enema
introduction of a solution into the rectum to stimulate bowel activity
epiglottis
uppermost cartilage of the larynx
excretion
process of eliminating waste products of digestion
gastroenterologist
physician who diagnosis and treats disorders of the GI tract
gastroenterology
study of the GI tract
glucagon
hormone that cleaves bonds in glycogen to release glucose
insulin
hormone that binds to glucose allowing its transport from the bloodstream to the tissues
mastication
process of chewing food
peristalsis
wavelike muscular contractions that move food down the esophagus
rugae
folds on the internal surface of the stomach
saliva
oral secretions that moisten food for tasting, chewing, and swallowing
uvula
soft tissue hanging from the upper mouth that prevents food from entering the nasal cavity
villi
projections of the small intestines that absorb water and nutrients
an/o
anus
anal
relating to the anus or outer rectal opening
append/o
appendic/o
appendix