Fundamentals of Anatomy and Physiology

The Blood 309

Hemopoietic

stem cell

Rubriblast Myeloblast Monoblast Lymphoblast Megakaryoblast

(proerythroblast)

Prorubricyte

Promyelocyte (^) Promonocyte Prolymphocyte Promegakaryocyte
(progranulocyte) (^)
Eosinophilic
Basophilic
(^)
Neutrophilic (^)
Rubricyte myelocyte myelocyte myelocyte (^)
Megakaryocyte
Large
(^)
(^) Eosinophilic Neutrophilic^ Basophilic^
Metarubricyte metamyelocyte metamyelocyte metamyelocyte (^) lymphocyte (^)
Metamegakaryocyte^
Neutrophilic Basophilic
(^)
Eosinophilic (^)
band cell band cell band cell
Reticulocyte (^)
(^) Lymphocytes
Erythrocytes Eosinophils Neutrophils Basophils^ Monocytes Thrombocytes
Small T Small B (^)
Granular leukocytes Agranular leukocytes
(^) ®
Learning
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Figure 13- 3 Hematopoiesis begins with stem cells (hematocytoblasts) in red bone marrow. There are
numerous stages of development- before the cell becomes a mature blood cell.