CLINICAL MEDICINE

Detailed explanation-1: -Plasma cells are differentiated B-lymphocyte white blood cells capable of secreting immunoglobulin or antibodies. These cells play a significant role in the adaptive immune response, namely, being the main cells responsible for humoral immunity.

Detailed explanation-2: -Each B cell clone makes antibody molecules with a unique antigen-binding site. Initially, during B cell development in the bone marrow, the antibody molecules are inserted into the plasma membrane, where they serve as receptors for antigen.

Detailed explanation-3: -Plasma makes up approximately 55% of your blood, and contains antibodies, known as immunoglobulins, which fight infection. These antibodies are made into medicines to help people with cancers, rare diseases, immune disorders and genetic conditions.