Q: What is autoimmunity? A: Autoimmunity is an immune response directed to a substance (referred to as antigen) present in the body of the host. Q: What is autoimmune disease? A: It is a disorder caused entirely or in part by an autoimmune response.
OAuth is an open standard for authorization, commonly used as a way for Internet users to log into third party websites using their Microsoft, Google, Facebook or Twitter accounts without exposing their password.
Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia, Wikipedia. authorization. permission. insurance authorization in the nursing interventions classification, a nursing intervention defined as assisting the patient and provider to secure payment for health services or equipment from a third party.