Term
| Name the layers of the wall of blood vessels, what tissues they're made of |
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Definition
[image]
1. tunica intima (2 layers)
-endothelium (simple squamous ept. lining lumen)
-subendothelium (LCT)
2. tunica media made up of smooth muscle and CT (elastic and collagen fibers)
3. tunica externa made up of LCT (the thickest layer in vein) |
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Term
| What's the purpose of arteries? |
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Definition
| blood vessels carry blood AWAY from heart(usually oxygenated) |
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Term
| What are the 3 types of arteries? |
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Definition
[image]
Elastic (aka conducting arteries)
Muscular
Arterioles |
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Term
| What are elastic arteries? |
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Definition
-largest arteries near the heart (ex. aorta & major branches)
-have a thick tunica media because of abundance of elastic tissue |
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Term
| What are muscular arteries? |
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Definition
-supply blood from the arteries to the organs
-smooth muscle in tunica media is well developed |
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Term
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Definition
-contains only 1-2 layers of smooth muscle in tunica media
-regulates blood pressure |
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Definition
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