Topic 15: Digestive System - Small Intestine Accessory Organs Flashcards
1
Q
Name 3 small intestine accessory organs
A
- Pancreas
- Liver
- Gallbladder
2
Q
Where is the pancreas located?
A
retroperitoneal
- from google, it is the area in the back of abdomen behind peritoneum
3
Q
What are the parts of the pancreas (3)
A
- head, body tail
4
Q
What does the pancreas contain?
A
- exocrine and endocrine glands`
5
Q
What are the two exocrine glands in the pancreas?
A
- acinar cells/acini
- duct cells
6
Q
What do acinar cells do? (2)
A
- most of pancreas
- secrete digestive enzymes into ducts
7
Q
What do duct cells do? (2)
A
- make duct walls
- secrete alkaline fluid to neutralize stomach acid
8
Q
What is pancreatic juice composed of? (2)
A
- digestive enzymes and alkaline fluid
9
Q
Islets of Langerhans are ______ (exocrine/endocrine) glands
A
endocrine glands
10
Q
What is the function of Islets of Langerhans (amid acini)?
A
- secrete hormones insulin and glucagon to regulate blood sugar
11
Q
What are the 4 lobes of the liver called?
A
- right
- Left
- Quadrate
- Caudate
12
Q
What are the cells in the liver called?
A
hepatocytes
13
Q
What is the role of the liver? (2)
A
- filters material from GI tract (nutrients, toxins, etc.) before going to the rest of the body
- produces bile for fat digestion (emulsifier)
14
Q
Where is the gallbladder located?
A
- muscular sac on surface of liver
15
Q
What is the structure of the gallbladder? (2)
A
- rugae
- no submucosa
18
Q
Please memorize diagram of ducts
A
