In immunology, the "immunoglobulin isotype" refers to the type of chain. In humans, there are nine isotypes:
Immunoglobulin class switching can be used to change the class of the heavy chain, but not of the light chain.
- Immunoglobulin+Isotypes at the US National Library of Medicine Medical Subject Headings (MeSH)
- Isotype at eMedicine Dictionary
- Overview at University of South Carolina School of Medicine
- Overview at Southern Illinois University Carbondale