Hematopoietic stem cells (HSCs), also spelled hæmatopoietic stem cells, are multipotent stem cells that give rise to all the blood cell types from the myeloid (monocytes and macrophages, neutrophils, basophils, eosinophils, erythrocytes, megakaryocytes/platelets, dendritic cells), and lymphoid lineages (T-cells, B-cells, NK-cells). The definition of haematopoietic stem cells has undergone considerable revision in the last two decades. The hematopoietic tissue contains cells with long-term and short-term regeneration capacities and committed multipotent, oligopotent, and unipotent progenitors. HSCs constitute 1:10.000 of cells in myeloid tissue [Wikipedia: http://en.wikipedia.org/wiki/Hematopoietic_stem_cell].
Hierarchy: 2
Parent: fibroblasts
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