Week 2 - Icy Review Flashcards
1
Q
Muscular arteries
A
- exaggerated tunic media,
- Distributing
- most named arteries
- control blood flow to organs
2
Q
Elastic arteries -
A
- closest to the heart
- conducting blood away from the heart
- deal with swings in pressure
3
Q
Sinusoidal capillaries
A
- highly leaky
- found in bone marrow, spleen, & liver& adrenal medulla
- Slow blood flow
4
Q
Veins & Venules
A
- capacitance vessels holding up to 60% of blood volume
- common site of edema due to porosity
5
Q
Arterioles
A
- control delivery to tissues vis sphincters
- create most resistance in the periphery
- Resistance
- flows to capillaries (metarterioles)
- Sphincters regulate
6
Q
Continuous capillaries
A
- Most common and most numerous
- Least leaky
- skin & Muscle
- Not found in CNS because of BBB
- Not found in cornea or lens
7
Q
Fenestrated capillaries
A
- Windowed
- medium leaky
- Pores - absorption & Filtration
small intestine, kidneys, endocrine organs