Megakaryoblast

Megakaryoblast

Haematopoiesis

A megakaryoblast is a precursor cell to a promegakaryocyte, which in turn becomes a megakaryocyte during haematopoiesis. It is the beginning of the thrombocytic series.

It derives from a CFU-Me colony unit of pluripotential hemopoietic stem cells.

External links

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General	Plasma – Hematopoietic stem cells

Lymphoid – WBC	T cells: Cytotoxic CD8⁺, Helper CD4⁺/Regulatory, γδ, Natural Killer T cell B cells: Plasma, Memory Natural killer cells (Lymphokine-activated killer cell) Null cell

Myeloid – WBC	Monocytes/Macrophages (Histiocytes, Kupffer cells, Dust cell, Microglia, Osteoclasts, Epithelioid cells, Langhans giant cells, Foreign-body giant cell) Granulocytes (Neutrophil, Eosinophil, Basophil) – Mast cell precursors Dendritic cells (Langerhans cells, Follicular dendritic cells) Megakaryoblast – Megakaryocyte – Platelets

Myeloid – RBC	Reticulocyte – Normoblast

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