Idiosyncrasy - 1. A structural or behavioral characteristic peculiar to an individual or a group. 2. A physiological or temperamental peculiarity. 3. An unusual individual reaction to food or a drug.
It is the section of science that deals up with the interaction between the drug and the different body tissues of the body,either in human or animal.
Answer.
phar�ma�col�o�gy...
Drug having defenite affinity to bind the receptor but, does not activate it (no intracelluler changes occur after drug receptor complex is formed), thus the receptor in other word is being blocked,...