This video tells us about the importance of receptors in drug interaction in pharmacodynamics. Receptors, their types, their functions, working mechanism and the different types of receptors in different places working differently. TIMELINE: 0:10 Introduction 0:18 Ligand gated ion channels 1:40 G-protein coupled receptors 2:54 Types major g-protein coupled receptor (Gs, Fi, Gq, Ip3) 4:17 Enzymes linked receptors (tyrosine kinase receptors) 5:20 Intracellular receptors 6:17 Summary 6:54 Conclusion