Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
ignition
ignition coil
ignition point
ignoble
ignominious
ignominy
ignoramus
ignorance
ignorant
ignore
IGO
Igorot
IGSA
Iguaçu
Iguaçu Falls
iguana
iguana air
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

IgM
IgM


noun 
Definition:
 
group of antibodies: a class of antibodies, circulating in the blood and secretions, that help the body to resist viruses
[Abbreviation of immunoglobulin M]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft