The study of blood and transfusional science.
This discipline explains from how red blood cells (erythrocytes) are produced and mature to how differentiate between different peoples blood types. Covering all types of topics from homeostasis to blood typing.
This discipline also happens to be my favourite, the function and role of blood will never cease to amaze me. How it is essential to human life and how I can be tainted like in sickle cell disease and the effects that are then seen to the patient is realistic and easy to understand why the patients of haematological disease feel and suffer the way they do