lab 10
how many incisors do we have?
4 per jaw
how many lobes does the liver have? what are they?
4; left, right, caudate, quadrate
how many layers does Gi tract tissue have except stomach? what are they?
4; mucosa, submucosa, muscularis externa, serosa
how many premolars do we have per jaw?
4; two each side
how many molars do we have per jaw?
6; 3 on each side
what do the salivary glands do?
break down carbs
what does the hepatopancreatic ampulla and sphincter do?
controls amount of enzymes secreted
what does the pyloric sphincter do?
controls amount of food from stomach to duodenum
what are the three main regions of teeth?
crown, neck, root
what are the three parts of the small intestines?
duodenum, jejunum, ileum
what are islet cells?
endocrine cells; secrete insulin and glucagon
What does the pancreas secrete?
enzymes
what are acinar cells?
exocrine cells; secrete digestive enzymes
what are the three salivary glands?
parotid, submandibular, sublingual
what is the oral vestibule?
space between gums and lips
how many canines do we have per jaw?
2; one each side
what are gastric pits?
openings of gastric glands
how many teeth do humans have including wisdom teeth per jaw?
16 total per jaw
what does the lacteal do?
absorbs fats/lipids in small intestine
what does the cement and periodontal ligament do?
holds teeth in place
what does the circular folds inside the duodenum do?
increase absorption of nutrients
what are the cells in the pancreas?
islet cells and acinar cells
what are the three muscles of the stomach?
longitudinal, circular, oblique
what is the oral cavity?
mouth
