Promegakaryocyte

A promegakaryocyte is a precursor cell for a megakaryocyte, arising from a megakaryoblast.

The developmental stages of the megakaryocyte are: CFU-Me (pluripotential hemopoietic stem cell or hemocytoblast) → megakaryoblast → promegakaryocyte → megakaryocyte.

External links

"Marrow aspirate, 10x. Promegakaryocyte" at ttuhsc.edu
"Megakaryocytes: Promegakaryocyte" at bloodline.net

Myeloid physiology

Hematopoiesis

Myelopoiesis
(CFU-GEMM)

CFU-GM

Granulopoiesis Myeloblast Promyelocyte Myelocyte Metamyelocyte Band cell

Monocytopoiesis Monoblast Promonocyte

MEP

Thrombopoiesis Megakaryoblast Promegakaryocyte

Erythropoiesis Proerythroblast Normoblast Reticulocyte

General

Extramedullary hematopoiesis

Hemostasis

Coagulation
- Fibrinolysis
Clot retraction
Platelet adhesiveness

Other

Erythrocyte aggregation

Micromegakarioblast and Micromegakariocyte seen on MDS(Myelodysplastic Syndromes).

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