Immunoglobulin M
Synonyms
19S Gamma Globulin
Gamma Globulin, 19S
IgM
IgM1
IgM2
A class of immunoglobulin bearing mu chains (IMMUNOGLOBULIN MU-CHAINS). IgM can fix COMPLEMENT. The name comes from its high molecular weight and originally being called a macroglobulin.
See Also