Chapter 14-digestive system Flashcards
what are the accessory organs in the digestive system
salivary glands, pancreas, liver, gallbladder
what does salivary amylase do
converts starch to maltose
what do mucous cells do
secrete mucus to protect the stomach lining from the acidic stomach
where are mucus cells located
in gastric pits
where are chief cells located
in gastric pits
what do chief cells do
synthesize pepsinogen which is converted to pepsin upon contact with stomach acid, breaks down proteins
what do parietal cells do
synthesize and release HCL which alters stomach pH, kills bacteria, and produces intrinsic factor
what are the 3 sections of the small intestine
duodenum, jejunum, ileum
what are the enzymes that aid in digestion in the small intestine
lipases, aminopeptidases, disaccharides
what produces bile
the liver
what stores bile
the gallbladder
where are parietal cells located
in gastric pits
what are the nondigestive functions of the liver
storage of glycogen, conversion of ammonia to urea, protein synthesis, cholesterol metabolism
what is the first pass effect
blood from small intestine is sent to the liver for detoxification before entrance into general circulation
what does the pancreas release
amylase, lipase, and trypsinogen
