Term: hematology or haematology
Literally meaning: “about blood”
Origin: Anc Greek
-λογία/logia(=logy, suffix meaning “study of”, “speech”, “discourse”) > λέω/leo (=speak).
Hippocrates (460 BC – ca. 370 BC) first reffered to humoral theory about bοdy liquids that are in balance (health) or in excess or deficiency (illness). In 1628 English phycisian William Harvey(1578 –1657) inroduced the concept of systemic circulation. In 1942 Dutch scientist Antonie Philips van Leeuwenhoek distinquished blood cells constructing a microscope. In 1818 English obstetrician James Blundell (1791–1878 performed the first succeful transfusion of human blood to aptient.
Hematology is the branch of medicine dealing with the study of blood, the blood-forming organs as bone marrow, and blood diseases.