An immunoglobulin complex that is secreted into extracellular space and found in mucosal areas or other tissues or circulating in the blood or lymph. In its canonical form, a circulating immunoglobulin complex is composed of two identical heavy chains and two identical light chains, held together by disulfide bonds. Some forms of are polymers of the basic structure and contain additional components such as J-chain and the secretory component. [ GOC:add https://www.worldcat.org/search?q=bn%3A0781735149 ]
Synonyms: antibody
Term information
Note that an immunoglobulin complex has the function of antigen binding if a suitable antigen is available.
Term relations
- immunoglobulin complex
- output of some secretion by cell
- part of some extracellular space
- part of some extracellular region