Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
|
What are the 7 layers of the GI tract? (4 w/ 3 sub)
|
1 - mucosa
1a - epith 1b - lamina propria 1c - muscularis mucosa 2 - submucosa 3 - muscularis externa 4 - serosa |
|
|
What is a specialization of the oral cavity?
|
Secretes enzymes to breakdown starch/fat and lysozyme
|
|
|
What is a specialization of esophagus?
|
expands, endure wear/tear of ROUGH food, secrete mucus to lubricate
|
|
|
What is a specialization of stomach?
|
mechanically breakdown amino-acid chains, has extra oblique muscle layer, HCL,
|
|
|
What is a specialization of SI?
|
digest proteins/fats/carbs and absorb small molecules
has villi/microvilli, and proteases |
|
|
What is a specialization of colon
|
absorb water/electrolytes, compact feces, secrete mucus to lubricate
|
|
|
What are mucins?
|
Glycoproteins that have sugar side chains to attract water and can coat food when secreted
|
|
|
Is esophagus smooth or striated?
|
Both - striated upper 1/3, smoooth lower
|
|
|
What specialization does the stomach have, allowing it to expand?
|
RUGAE - folds
|
|
|
A - stomach columnar cells
B - esophagus strat squamos |
|
|
BRunner's gland is found where?
|
Duodenum, secrete mucus and zymogen, to neutralize stomac acid
|
|
|
Where are Crypts of Lierberkuhn located, besides the SI?
|
Colon -
|
|
|
Liver section
A - Portal canals B - central vein C - sinusoid |
|
|
Hepatocytes
|
|
|
What type of liver cell stores Vitamin A in liipid droplets?
|
Ito cell
|
|
|
How are Kuppfer cells identified?
|
they take up carbonm
|
|
|
what organ stores/concentrattes bile?
|
Gallbladder
|
|
|
What layers does the gall bladder lack?
|
Submucosa, muscularis mucosae
|
|
|
How does the gallbladder concentrate bile?
|
It pumps Na out, water follows
|
|
|
How is the pancreas an exocrine gland?
|
Secrtest digestive enzymes into gut
|
|
|
What are the 3 endocrine cells of the pancreas? what do they secrete?
|
Alpha - glucagon
Beta - insulin D - somatostatin |
