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