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      • hematopoiesis trait
      • immune system development trait

    • leukopoiesis trait   VT:0005460   (20)
    Definition: Any measurable or observable characteristic related to the process of generating white blood cells (leukocytes) from the pluripotent hematopoietic stem cells of the bone marrow; two significant pathways generate various types of leukocytes: myelopoiesis, in which leukocytes in the blood are derived from myeloid stem cells, and lymphopoiesis, in which leukocytes of the lymphatic system (lymphocytes) are generated from lymphoid stem cells. [MeSH:D019891];

    MP:0005460 (abnormal leukopoiesis) is numbered similarly to VT:0005460 but is over in the MP ontology (semantics may or may not be similar).

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