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Dig. Proce. Terms
Procedural Terms used for the Digestive System
Term | Definition |
---|---|
absorption | passage of materials through the walls of the small intestine into the bloodstream |
amino acids | small building block of protein |
amylase | enzyme secreted by the pancreas and salivary glands to digest starch |
anus | terminal end of opening of the digestive tract to the outside of the body |
appendix | blind pouch hanging from the cecum |
bile | digestive juice made in the liver and stored in the gallbladder. It breaks up large fat globules |
bowel | intestine |
canine teeth | pointed, dog |
cecum | first part of the large intestine |
colon | portion of the large intestine consisting of ascending, transverse, descending, and sigmoid segment |
defecation | elimination of feces from the digestive tract through the anus |
deglutition | swallowing |
dentin | primary material found in teeth |
digestion | breakdown of complex foods to simpler forms |
duodenum | first part of the small intestine |
elimination | act of removal of materials from the body |
enamel | hard, outermost layer of a tooth |
enzyme | chemical that speeds up a reaction between substances |
esophagus | tube connecting the throat to the stomach |
fatty acids | substances produced when fats are digested |
feces | solid wastes, stool |
gallbladder | small sac under the liver, stores bile |
glucose | simple sugar |
glycogen | starch |
hydrochloric acid | substance produced in the stomach; necessary for digestion |
ileum | third part of the small intestine |
incisor | any one of the four front teeth in the dental arch |
insulin | hormone produced by the endocrine cells of the pancreas |
jejunum | second part of the small intestine |
lipase | pancreatic enzyme necessary to digest fats |
liver | large organ located in the RUQ of the abdomen. The liver secretes bile, stores sugar, iron and vitamins; produces blood proteins; destroys worn |
lower esophageal sphincter | ring of muscles between the esophagus and the stomach |
mastication | chewing |
molar teeth | the back teeth used for grinding foods |
palate | roof of the mouth |
pancreas | organ behind the stomach; produces insulin |
papillae | small projections on the tongue |
parotid gland | salivary gland within the cheek, just anterior to the ear |
peristalsis | Rhythmic contractions of the tubular organs |
pharynx | throat |
protease | enzyme that digests protein |
pulp | soft tissue within a tooth, containing nerves and blood vessels |
pyloric sphincter | ring of muscles at the end of the stomach |
rectum | last section of the large intestine |
rugae | ridges on the hard palate and the wall of the stomach |
saliva | digestive juice produced by salivary glands |
salivary glands | parotid, sublingual and submandibular glands |
sigmoid colon | fourth and last S |
sphincter | circular ring of muscles that constrict a passage or closes a natural opening |
stomach | muscular organ that receives food from the esophagus |
triglycerides | fat molecules |
villi | microscopic projections in the wall of the small intestine that absorb nutrients into the bloodstream |