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.
Let's start by clarifying exactly what a pre-authorization (commonly referred to as a pre-auth) is. A credit card pre-authorization is much like any other charge to a credit card, except instead of actually debiting funds from the cardholder you just put a temporary hold on the funds that lasts for 5 days.At a technical level, the actual duration of the hold depends on the merchant classification code (MCC code).et's start by clarifying exactly what a pre-authorization (commonly referred to as a pre-auth) is. A credit card pre-authorization is much like any other charge to a credit card, except instead of actually debiting funds from the cardholder you just put a temporary hold on the funds that lasts for 5 days.