lambda-x immunoglobulin 《英文msh词典》lambda-x Immunoglobulin ; [入口词] lambda-x Immunoglobulin ; [主题词] Immunoglobulins,lambda-Chain ; [英文释义] One of the light chains of the immunoglobulins with a molecular weight of approximately 22 kD. They constitute about 40% of all light chains and can be recognized serologically as well as by their specific amino acid sequence.