REAGINS
- antibody formed in response to syphilis and reactive with cardiolipin in various blood tests for the disease
- antibody found in certain human allergies, as hay fever and asthma
- REAGIN, a type of antibody (a body substance that produces immunity against toxins) [n]
- REAGIN, a type of antibody (a body protein that produces immunity against certain microorganisms or toxins) [n]