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Intro to Evacuated Tubes
terms needed to understand info on evac tubes
19
Biology
Professional
09/10/2013

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Term
additive
Definition
substance added to a tube
Term
anit-coagulant
Definition
prevents blood from forming clots
Term
clot activator
Definition
enhances or starts the clotting process
Term
blood
Definition
fluid which circulates in the body to carry oxygen and nutrients to cells; consists of cells and liquid
Term
plasma
Definition
the liquid portion of blood treated with anti-coagulates and centrifuged
Term
separator gel
Definition
an inert substance found in some evacuated tubes that separates the cellular portion of blood from the liquid portion after centrifugation
Term
serum
Definition
liquid portion of blood found when blood is treated with coagulates and centrifuged; it is the portion above the CLOT
Term
silica
Definition
added to tubes to enhance clot formation (clot activator)
Term
heparin
Definition
added to tubes to prevent blood from clotting; it is an anti-coagulant
Term
EDTA
Definition
added to tubes to prevent blood from clotting; is another anticoagulant
Term
sodium citrate
Definition
type of anticoagulant
Term
two major tube catergories
Definition
coagulated and anitcoagulated
Term
coagulated tubes
Definition
liquid portion is serum after centrifugation
Term
anti-coagulated tubes
Definition
liquid portion is plasma after centrifugation
Term
glass tube
Definition
silica inside tube acts as clot activator and blood coagulates
Term
plastic tube w/ clot activator
Definition
blood cogualtes because silica is sprayed on inside of tube acting as a clot activator
Term
plastic tube w/ anticoagulant
Definition
blood stays in liquid form because anti-coagulates are present in the tube
Term
3 main types of anti-coagulates
Definition
heparin, EDTA, and sodium citrate
Term
whole blood
Definition
I think it is the blood in anti-coagulated tubes without any centrifugation
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