IgM /ˌaɪ(ˌ)ʤiˈɛm/
IgM /ˌaɪˌʤɪˈɛm/ 名詞
IgM n : one of the five major classes of immunoglobulins; involved in fighting blood infections and in triggering production of immunoglobulin G [syn: immunoglobulin M]