Hematology is the branch of medicine concerned with the study of the cause, prognosis, treatment, and prevention of diseases related to blood. It involves treating diseases that affect the production of blood and its components, such as blood cells, hemoglobin, blood proteins, bone marrow, platelets, blood vessels, spleen, and the mechanism of coagulation. Such diseases might include hemophilia, sickle cell anemia, blood clots (thrombus), other bleeding disorders, and blood cancers such as leukemia, multiple myeloma, and lymphoma. The laboratory analysis of blood is frequently performed by a medical technologist or medical laboratory scientist.

यह शब्द चिकित्सा में काफी प्रयुक्त होता है, यदि आप इसका सटीक अर्थ जानते है तो पृष्ठ को संपादित करने में संकोच ना करें । दिया गया प्रारूप सिर्फ दिशा निर्देशन के लिये हैं, आप इसमें अपने अनुसार फेर-बदल कर सकते हैं।