Steps of Granulopoiesis

Coloring Image

Diagram showing stages of granulopoiesis from a promyelocyte to mature granulocytes. At the top, the neutrophilic lineage progresses from neutrophilic myelocyte to neutrophilic metamyelocyte, then to band neutrophil, and finally a segmented neutrophil. The eosinophilic lineage shows eosinophilic myelocyte and metamyelocyte developing into a mature eosinophil with bilobed nucleus and red granules. The basophilic lineage includes basophilic myelocyte and metamyelocyte leading to a mature basophil with dense purple granules. The image illustrates the differentiation pathways of granulocytes from a common promyelocyte precursor.

Histology Image

University of Virginia, R. Bloodgood; University of British Columbia, K. Pinder

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