The mnemonic
GAMED
What each word stands for
- GIgG: main antibody, crosses placenta
- AIgA: secretory, mucosal defence
- MIgM: first in primary response, pentamer
- EIgE: allergy and parasites
- DIgD: B-cell surface receptor
Why it matters clinically
Helps interpret serology, such as IgM for acute infection.
Where it stops being reliable
It gives roles only, not concentrations or half-lives.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.