blood serum
Clot-free blood fluid
Blood serum is the clear, yellowish liquid that remains after blood has clotted and the clot is removed.
Unlike plasma, serum contains no clotting factors.
It's used in medical testing and as a base for vaccines and antitoxins: The lab analyzed her blood serum for antibodies.
Often shortened to serum.
- albuminBlood and egg protein
- coagulation factorsProteins that enable blood clotting
- red cellsOxygen-ferrying blood components
- antibodiesProteins targeting pathogens
- complement proteinsPlasma pathogen-destruction system
immunoglobulins · bodily fluid · bilirubin · diagnostic test · vial · electrolytes · saline · needle · needle stick · IV drip · clot · specimen · transfusion · laboratory · lab coat · donor · plasma donation · cytokines
- serumsantiserum
- blood testsCBC, CMP, hemoglobin, hematocrit, electrolytes
- body fluidslymph, saliva, urine, sweat, tears
- immune seraantiserum, antitoxin, antitoxins, immunoglobulin, immunoglobulins
blood serumwhole blood
Unfractionated circulatory fluid
red blood cells · blood cells · white blood cells · platelets · blood clot
blood serumblood plasma
Fluid suspending red cells
plasma · fibrinogen · blood clot · thrombus