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9 Cards in this Set
- Front
- Back
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What are the three major types of blood vessels
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Arteries
Veins Capillaries |
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Lumen
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The central blood containing space of all blood vessels
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Three layers that surround the lumen
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tunica intima
tunica media tunica externa |
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Three groups of Arteries
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Elastic
Muscular Arterioles |
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Capillaries
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the smallest blood vessel
thin walls consisting of tunica media 1mm in length lumen diamter is 8-10um most tissues except tendons and ligaments have a rich capillary supply |
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Three types of capillaries
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continuous capillaries
fenestrated capillaries sinusoids |
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Tunica intima
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the innermost layer that contacts the blood in the lumen
thin walled contains simple squamous epithelium |
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Tunica media
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middle layer that contains smooth muscle that controls the vasomotor nerve fibers of the ANS
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Tunica externa
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outer layer composed of collagen fibers that anchor the blood vessels
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