Cardiovascular system histology lab
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Transcript of Cardiovascular system histology lab
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The intima of elastic artery is thicker than the muscular artery
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Media: - the irregular line is elastic tissueThe nucleus for smooth muscle (not fibroblast or fibrocyte) with ill-definedcytoplasm
the smooth muscle is important to produce collagen and elastic, not tomake contraction!!!
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Media: - the irregular line is elastic tissueThe nucleus for smooth muscle (not fibroblast or fibrocyte) with ill-definedcytoplasm
the smooth muscle is important to produce collagen and elastic, not tomake contraction!!!
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The vasa vasorum is more in elastic artery than muscular artery and morein the large vein because most of the blood inside it is poorly oxygenated
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The vasa vasorum is more in elastic artery than muscular artery and morein the large vein because most of the blood inside it is poorly oxygenated
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What is the most predominant tissue here? and why?Elastic tissue, to convert the intermittent blood flow to continues byexpansion and recoiling.Collagen and smooth muscle for strength
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What is the most predominant tissue here? and why?Elastic tissue, to convert the intermittent blood flow to continues byexpansion and recoiling.Collagen and smooth muscle for strength
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The adventitia contains mostly collagen and little elastic
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In the artery the media is thicker than the adventitia while it is the oppositein vein
The vein wall contains mainly collagen
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In the artery the media is thicker than the adventitia while it is the oppositein vein
The vein wall contains mainly collagen
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Characteristic of veins1) low resistance collecting system2) Low pressure storage system
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Characteristic of veins1) low resistance collecting system2) Low pressure storage system
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Well defined internal & external elastic laminae
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Medium sized vein = capacitant vein
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What is the main function of venules? Diapedese
Arteriole gives met-arteriole which gives capillary then gives venuleBetween the meta-arteriole and the capillary there is precapillary sphincterThe sphincter and the met-arteriole poorly innervated by sympathetic butexpand and narrow by local metabolite.
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What is the main function of venules? Diapedese
Arteriole gives met-arteriole which gives capillary then gives venuleBetween the meta-arteriole and the capillary there is precapillary sphincterThe sphincter and the met-arteriole poorly innervated by sympathetic butexpand and narrow by local metabolite.
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Thickernot contractile = no myofibrilsMuch glycogenNo T tubule systemBeneath endocardium
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Thickernot contractile = no myofibrilsMuch glycogenNo T tubule systemBeneath endocardium
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