AskDefine | Define hematology

Dictionary Definition

hematology n : the branch of medicine that deals with diseases of the blood and blood-forming organs [syn: haematology]

User Contributed Dictionary



  1. the scientific study of blood and blood-producing organs

Alternative spellings

Extensive Definition

Hematology (American English) or haematology (British English) is the branch of biology (physiology), pathology, clinical laboratory, internal medicine, and pediatrics that is concerned with the study of blood, the blood-forming organs, and blood diseases. Hematology includes the study of etiology, diagnosis, treatment, prognosis, and prevention of blood diseases. The lab work that goes into the study of blood is performed by a Medical Technologist.
Blood diseases affect the production of blood and its components, such as blood cells, hemoglobin, blood proteins, the mechanism of coagulation, etc.

Hematologists and Hematopathologists

Physicians specialized in hematology are known as hematologists. Their routine work mainly includes the care and treatment of patients with hematological diseases, although some may also work at the hematology laboratory viewing blood films and bone marrow slides under the microscope, interpreting various hematological test results. In some institutions, hematologists also manage the hematology laboratory. Physicians who work in hematology laboratories, and most commonly manage it, are pathologists specialized in the diagnosis of hematological diseases, referred to as hematopathologists. Hematologists and hematopathologists generally work in conjunction to formulate a diagnosis and deliver the most appropriate therapy if needed. Hematology is a distinct subspecialty of internal medicine, separate from but overlapping with the subspecialty of medical oncology. Hematologists may specialise further or have special interests, for example in:
''(Hema- comes from the Greek word "`'aima" meaning "blood", -ology means study of.

Common basic clinical hematology tests

In a clinical laboratory the hematology department performs numerous different tests on blood. The most commonly performed test is the complete blood count (CBC) also called full blood count (FBC), which includes; white blood cell count, platelet count, hemoglobin level and several parameters of red blood cells. Coagulation is a sub-speciality of hematology; basic general coagulation tests are the prothrombin time (PT) and partial thromboplastin time (PTT). Another common hematology test in the erythrocyte sedimentation rate (ESR).
In a blood bank the Coombs test is the most commonly performed test.

Classification of hematologic diseases

Major categories of hematologic disease include:


Treatments include:

External links

hematology in Afrikaans: Hematologie
hematology in Arabic: علم الدم
hematology in Bengali: রক্তবিদ্যা
hematology in Bulgarian: Хематология
hematology in Catalan: Hematologia
hematology in Czech: Hematologie
hematology in German: Hämatologie
hematology in Spanish: Hematología
hematology in Esperanto: Hematologio
hematology in Basque: Hematologia
hematology in Persian: خون‌شناسی
hematology in French: Hématologie
hematology in Galician: Hematoloxía
hematology in Indonesian: Hematologi
hematology in Icelandic: Blóðfræði
hematology in Italian: Ematologia
hematology in Hebrew: המטולוגיה
hematology in Latin: Haematologia
hematology in Lithuanian: Hematologija
hematology in Dutch: Hematologie
hematology in Nepali: रक्तशास्त्र
hematology in Japanese: 血液学
hematology in Norwegian: Hematologi
hematology in Low German: Hämatologie
hematology in Polish: Hematologia
hematology in Portuguese: Hematologia
hematology in Romanian: Hematologie
hematology in Russian: Гематология
hematology in Albanian: Hematologjia
hematology in Slovak: Hematológia
hematology in Finnish: Hematologia
hematology in Swedish: Hematologi
hematology in Thai: โลหิตวิทยา
hematology in Turkish: Hematoloji
hematology in Chinese: 血液學
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