Anatomy is the science that deals with studying the structure of the human body & the relationship of its constituent parts to each other. It includes embryology that studies the formation and development of the human embryo.
It is the gateway of medicine and without proper knowledge of anatomy, it is impossible to understand how the body organs perform their function and hence be able to detect abnormalities of the structure or function caused by diseases. Without a good knowledge of anatomy, medicine cannot be accurately and safely practiced.