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A precursor cell is a stem cell with the capacity to differentiate into only one cell type, meaning they are unipotent stem cells. In embryology , precursor cells are a group of cells that later differentiate into one organ.
A feedback loop involving erythropoietin helps regulate the process of erythropoiesis so that, in non-disease states, the production of red blood cells is equal to the destruction of red blood cells and the red blood cell number is sufficient to sustain adequate tissue oxygen levels but not so high as to cause sludging, thrombosis, or stroke ...
A proerythroblast (or rubriblast, or pronormoblast) is a precursor cell to the normoblast (nucleated red blood cell), as the earliest of four stages in its development. In histology, it is very difficult to distinguish it from the other "-blast" cells (lymphoblast, myeloblast, monoblast, and megakaryoblast).
CFU-S divides into two lineages: the lymphoid precursor (CFU-LSC) and the myeloid precursor (CFU-GEMM). The CFU-GEMM cell is capable of differentiating into white blood cells, red blood cells, and platelets, all of which are normally found in circulating blood. [4]
Megakaryocytes are precursor cells that are highly specialized. Megakaryocytes give rise to 1,000 to 3,000 platelets. Megakaryocytes function in the process of Thrombopoiesis by producing platelets and releasing platelets into the bloodstream. [6] Megakaryocyte development is regulated mainly by thrombopoietin.
A megakaryoblast (from mega- 'large' karyo- 'cell nucleus' and -blast 'precursor cell') is a precursor cell to a promegakaryocyte. During thrombopoiesis, the promegakaryocyte matures into the form of a megakaryocyte. From the megakaryocyte, platelets are formed. [1]
Blood cell lineage. The megakaryocyte develops through the following lineage: CFU-Meg (hematopoietic stem cell/hemocytoblast) → megakaryoblast → promegakaryocyte → megakaryocyte. Megakaryocytes are derived from hematopoietic stem cell precursor cells in the bone marrow. They are produced primarily by the liver, kidney, spleen, and bone ...
This image represents the development from a HSC to a monocyte through various transcription factors activation which are in italics. The lymphoid cell development junctures to the right while the myeloid cell development junctures to the left side and below. Each cell that does not contain much in their cytoplasm represents a type of precursor ...