RT medical terms ORAL/QUIZZ

• Digestive System


  contains the organs involved in the ingestion and processing of food
• ingestion, digestion, absorption, elimination


  4 major functions
• carrying food for digestion, repairing it for absorption, transporting waste product for elimination


  3 primary functions
• mouth


  opening through which food passes into the body
• palate


  forms the roof of the mouth
• pharynx


  performs swallowing action that passes food from the mouth to esophagus
• esophagus


  tube that extends from pharynx to mouth
• Stomach


  container for food
• Antrum


  lower bulge of stomach
• Pyloric Sphincter 


  ring of muscle that guards the opening between stomach and duodenum
• Small intestine


  twenty foot canal extending from pyloric sphincter to large intestine
• Duodenum


  first 10 to 12 inches of small intestine
• Jujenum


  second portion of small intestine, 8 feet long
• Ileum 


  third portion of small intestine, 11 feet long
• large intestine


  canal that is about 5 feet long and extends from ileum to anus
• cecum, colon, rectum


  3 portions of large intestine
• anus


  sphincter muscle that keeps an opening tight at the end
• salivary gland


  produce saliva
• liver


  produce bile, necessary for digestion of fat
• bile ducts


  passageway that carry bile
• gallbladder


  small sac like structure that stores bile
• pancreas


  produces pancreatic juice which digests food
• peritoneum


  lining of abdominal and pelvic cavities
• appendix


  small pouch with no known function
• abdomen


  portion of body between thorax and pelvis
• digestive enzymes


  help speed up the chemical reaction and assist in breakdown or digestion of complex nutrients
• absorption


  takes place when digested food is absorbed into the bloodstream
• feces


  solid waste
• oral cavity


  opening through which food enters the body
• lips


  form the opening to the mouth
• cheeks 


  form the borders of oral cavity
• Pharynx


  muscular tube that serves as a passageway for food from mouth to esophaguss
• esophagus


  9-10 inch muscular tube from pharynx to stomach
• fundus, body, antrum


  stomach is made up of:
• rugae


  folds in lining of stomach
• sphincters


  rings of muscles that controls the openings into and from the stomach