Organ or Tissue Function
hematopoiesis Audio
he·mat·o·poi·e·sis [ hi-mat-oh-poi-ee-sis, hee-muh-toh-, hem-uh- ]
Subclass of:
Blood Physiological Phenomena; Cell Differentiation process
Etymology:
Greek haima = blood + poiesis = production or formation
Definitions related to hematopoiesis:
  • (hemopoiesis) The process whose specific outcome is the progression of the myeloid and lymphoid derived organ/tissue systems of the blood and other parts of the body over time, from formation to the mature structure. The site of hemopoiesis is variable during development, but occurs primarily in bone marrow or kidney in many adult vertebrates.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • Formation and development of blood cells.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The development and formation of various types of BLOOD CELLS. Hematopoiesis can take place in the BONE MARROW (medullary) or outside the bone marrow (HEMATOPOIESIS, EXTRAMEDULLARY).
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • The formation of new blood cells.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • (hematopoietic process) A process of blood formation and more specifically formation of blood cells that are all derived from hematopoietic stem cells.
    NCI
    U.S. National Cancer Institute, 2021
  • Blood cell formation, continuous process by which the cellular constituents of blood are replenished as needed. Blood cells are divided into three groups: the red blood cells (erythrocytes), the white blood cells (leukocytes), and the blood platelets (thrombocytes). The white blood cells are...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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