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5 Cards in this Set
- Front
- Back
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cell fragments that bug off megakaryocytes in bone marrow, life span of 14 days
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platelets
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platelet granules contain
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growth-facter, thromboplastin, thrombospondin, coagulation factors, ADP, ATP, seratonin, histamin, hydrolytic enzymes
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platelet functions
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upon vessel damage, platelets activate upon contacting subendothelial collagen
release granule contents-adhere to damage site, results in formed plug, reduces blood loss |
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causes platelet to adhere to each other
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thrombospondin
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causes vasoconstriction to reduce blood loss
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seratonin
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