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194            PART 2  ■  Hematopoiesis and Cellular Maturation













                                                                   Cortical bone                                                                                                                                Plasma

                                                                   Red bone marrow

                                                                                                                                                                   White blood cells                            Platelets
                                                                   Yellow bone marrow

                                                                                                                                                                      Red blood cells



                                                                                                   Hemocytoblast
                     Humerus bone                                                                     (Stem cell)                                                                             Blood sample














                    Proerythroblast                                                                                          Monoblast            Lymphoblast
                                                                              Myeloblast


                                                                                                                                                                                            Megakaryoblast









                     Erythroblast


                                                                           Progranulocyte












                      Normoblast
                                                     Neutrophilic            Eosinophilic            Basophilic
                                                       myelocyte              myelocyte               myelocyte




                                                                                                                                                                                            Megakaryocyte




                     Reticulocyte


                                                     Neutrophilic            Eosinophilic            Basophilic

                                                       band cell               band cell              band cell              Monocyte              Lymphocyte













                       Erythrocyte                                                                                                                 Plasma cell

                    (Red blood cell)                  Neutrophil              Eosinophil               Basophil                                                                              Thrombocytes
                                                                                                                                                                                                (Platelets)

                                                                                                                          Macrophages
                                                                       Granular leukocytes

                                                                        (White blood cells)                                    Nongranular leukocytes
                                                                                                                                   (White blood cells)

                                                       FIGURE 9.5  D           m                           . (C                A       m       C       C  m       .)





                          m         m              ,     m                             m                                                                  m                    ,         D                    -

                  m              ,                      .                                                                              .  V               m                          m                         -

                    T       m variant lymphoctyes                           m                                                                            m  m                 m               m

                             m                                                     m             .                               mm                           m             (

               H                       m                         %       %                    m-                                              ).                 m                                    m

                           . T                      m                                                 -                       m                                                    DNA          RNA          -

               m     mm       m            m. V             m                                                                  . S m                             m                  m

                                       m                                                     m      -                         m                                                                                  .

                           ,                 m       ,                            .                                        D                                                z            mm

                           m                                        m                           (                                                        m                 m                   m

               F   .   .    ),                                                                             ,                   m              z        mm           m                          memory

                                                                                           m                               cells.
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