Leukocytes in rag1-/- mutant zebrafish liver included: (A) monocytes/macrophages, (B) large LLCs, (C) small LLCs.

Cells were stained with Wright Giemsa and examined under oil immersion by light microscopy and viewed at 1000x magnification. The size bar represents 10μm.

Leukocytes in rag1-/- mutant zebrafish kidney included: (A) megakaryocytes, (B) neutrophils, (C) mast cells, (D) basophils, (E) eosinophils, (F) dendritic cells, (G) monocytes, (H) macrophages, (I) large granular LLCs, (J) small granular LLCs, (K) precursor cell, (L) myeloblasts and (M) megakaryoblast.

Cells were stained with Wright Giemsa and examined under oil immersion by light microscopy and viewed at 1000x magnification. The size bar represents 10μm.

Leukocytes in rag1-/- mutant zebrafish spleen included: (A) monocytes, (B) macrophages, (C) large granular and small granular and agranular LCCs.

Cells were stained with Wright Giemsa and examined under oil immersion by light microscopy and viewed at 1000x magnification. The size bar represents 10μm.

Acknowledgments
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