Vessel and Circulation Lecture

Vessel and Circulation Lecture - Arteries & Veins 100,000...

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Arteries Arteries & Veins Veins
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100,000 km or 60,000 miles = 2.5 trips around the earth
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Arteries Veins … are like twins
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Arteries Veins … are more like the twin / evil twin relationship
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ADD TO COURSE TOPICS!! ADD TO COURSE TOPICS!! TUNICA INTIMA TUNICA MEDIA TUNICA ADVENTITIA
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Tunica intima Endothelial lining, simple squamous epithelium Sub-endothelial, loose connective tissue
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Tunica media Smooth muscle fibers for vasoconstriction / vasodilatation, and elastin and collagen fibrils
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Tunica adventitia or externa Connective tissue that contains many collagen and elastic fibers – protection, additional strength, anchors vessel
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elastic fibers in tunica media Aorta and its major branches; reduce blood pressure, conducting arteries Elastic Artery
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smooth muscle fibers in tunica media less elastin in tunica media than elastic arteries elastic laminae resist pulsatile pressure Muscular Artery
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Capillary 5 to 10 μm connect arterioles and venules deliver O
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This note was uploaded on 10/20/2008 for the course PTH AS 2201 taught by Professor Ward during the Fall '08 term at Missouri (Mizzou).

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Vessel and Circulation Lecture - Arteries & Veins 100,000...

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