Term
cell fragments circulate for
__/___ circulate, rest reside in? |
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Definition
5-9 days then die
2/3 ; spleen |
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Term
thrombis
thrombosis
embolus |
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Definition
a clot
clot formation
circluationg clot |
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Term
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Definition
| myeloid stem cells produce megakaryocytes |
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Term
| series of 3 reactions to stop bleeding |
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Definition
vascular spasm
platelet plug formation
coagulation |
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Term
| vascular spasm occurs only in |
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Definition
|
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Term
| capillaries have no _______ so no ________ ____________ |
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Definition
| smooth muscle; vascular spasm |
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Term
vascular spasm works by
contraction of |
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Definition
pressing endothelial cells together
smooth muscle that lines blood vessel(spontaneous) |
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Term
| platelets do/do not normally stick to eachother |
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Definition
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Term
when blood vessel damaged, platelets stick to
3 chemicals activated that attract and create more platelets |
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Definition
exposed collagen fibers
thromboxane a2, serotonin(vasoconstriction), ADP(sticky platelets) |
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Term
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Definition
| set of reactions when blood is transformed from a liquid to a gel |
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Term
| Final 3 steps of coagulation |
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Definition
Prothrombin activator is formed
–
Prothrombin is converted into thrombin
–
Thrombin catalyzes the joining of fibrinogen into a fibrin mesh |
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Term
| Thrombins main functions(2) |
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Definition
–
Converts fibrinogen (soluble) to fibrin (insoluble, stable threads)
–
Activates factor XIII, which stabilizes the fibrin network |
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Term
| Clotting factors synthesized in liver |
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Definition
| clotting factor 5 7 9 and 10 as wel as prothrombin and fibrinogen |
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Term
| vitamin k deficiency can lead to ? since its needed to synthesize factors ?(4) |
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Definition
problems clotting blood
2, 7,9 ,10 |
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Term
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Definition
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Term
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Definition
| dissolution of a clot so that it does not become an embolus |
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Term
which 3 chemicals react to form plasmin?
plasmin digests __________ strands and digests the clot |
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Definition
thrombin, plasminogen, tissue plasminogen activator.
fibrin |
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