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178            PART 2  ■  Hematopoiesis and Cellular Maturation




                    I                 ,  m                                         L-

                          m                                  . O      CAM

                m                              ,                                                            -

               m                (  .  ., PECAM-  , ICAM-  , VE-              , LFA-

               [CD      /CD    ], IAP [CD    ], VLA-   [  β –            ]).



               Engulfm ent


               U                                                    ,

                                           m       . E

                         ,   x                       k                 . C                             -

                 m         m                                                                      m

               opsonization,              F                                  (      B  x   .  )

                     C                 opsonins.

                    A                                                                                   j     ,

                                    m                 m

                                       m  m                              . L    k         -

               CD                   m                                                      m      -



                     k          k        .

                    I      m                       z

                                     q                      x                                                              FIGURE 8.21  F   R            . B                   m

                      . T       q                            m                                                                      ,           z  m             m      ,                    m

                             .                                                                                                    mm                    G m            . G       JP,        . (    ). W          ’

                    T                                        m                                       -                     C            H  m            ,               .  P                  ,  PA:  L              ,

                                                                                                                           W      m         W  k    ,         .

                                                                                    . B            m

               m                                                          . S  m                ,

               Streptococcus pneumoniae,                                                                                                                          F                  (      F   .   .    )        F

                               m                       z    . M                                                                                                            z               m. P

                                             z                                                           .                 m                     ,                             z                           m

                    C                                  ,                       m     m     ,        -                                                                              ,                  m  .

                                           ,                                                           ,                        D                                                            ,            q

                                                             . T                                                                                                   m                                             .

                                                                                              m                            G                                                            m

                                                                                         :                                                            m             m                            m  .  T

                                                                                                                                                                            z  m
               Phagosom es, Digestion, and Microbial Killing                                                                       :


               I                                                                       m     ,        -                     .  Primary,       z              ,                                     z  m

                                   x
                                                                                                                                 (  .  .,       z  m  , MPO)


                                                                                                                            .  Secondary,                 ,



                    BOX  8.3                                                                                                .   ertiary


                                                                                                                                D

                                                                                                                                             (  .  .,                  ,        z  m  ,               )      m
                  What is a Fc Receptor?
                                                                                                                                       ;                   z  m         m

                  ■  A Fc receptor  see Fig. 8.21 :                                                                                         m  m               m           . Elastase,

                                     k                   F         m     . T                                                                                  m                       ,                        . T

                                                                                                                           MPO                                                                         x        -

                                           . F                                                        -                                  ,  MPO-m                    m.  H                     x

                              m            m            mm              m                                                  (H O )                  x    z                                       m  j


                                                                                                                                                k                                                        . O

                                            .                                                                               x        -                             m ,                                         H,

                  ■  Complement receptor:                   m                    m-                                              z  m   ,                  ,                                                           ,

                           m     , C  ,                                m                                                                                                                  . M

                                 CR.

                                                                                                                            m                                                m. L                               k
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