From Wikipedia, the free encyclopedia. An epitope, also known as antigenic determinant, is the part of an antigen that is recognized by the immune system, specifically by antibodies, B cells, or T cells. conformational epitope is composed of discontinuous sections of the antigen's amino acid sequence. These epitopes interact with the paratope based on the 3-D surface features and shape or tertiary structure of the antigen. The proportion of epitopes that are conformational is unknown.
Dear fortysomething: Yes, we do get questions about itchy nipples or burning nipples. The least common causes, but the most serious, would be inflammatory breast cancer or Paget's Disease (another type of breast cancer).
Nipple swelling: Introduction. Nipple swelling: Swelling that occurs at the nipples. See detailed information below for a list of 13 causes of Nipple swelling, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Nipple swelling: Causes | Symptom Checker Â».