Malarial parasites by PorkodiSengodan

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Blood smear examination and the morhology of malarial parasites

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									                    TROPHOZOITE STAGE

                P.falciparum P. vivax      P.malariae P. ovale
Size of
                   normal      enlarged       small      enlarged
RBC
                               few to
Number           numerous                      few          few
                              moderate
Multiple                                    occasional   occasional
                  common      occasional
infection
Band
                 occasional   occasional    common       occasional
formation


Illustrations
                     TROPHOZOITE STAGE
                P. falciparum       P. vivax        P.malariae       P. ovale
                small, single,     large, single,
Chromatin        double dots       occasionally     large, single   large, single
                  common            double dot
                                     irregular,       regular,
                regular, fine to                                      regular,
Cytoplasm                          fragmented,      compact or
                    fleshy                                             fleshy
                                     amoeboid          dense
                not common,                                          common,
Stipplings                         common, fine     not common
                   coarse                                             coarse
Pigments              few               few          abundant           few




Illustrations
                       SCHIZONT STAGE
                P.falciparum   P. vivax     P.malariae    P. ovale
                   small,                     small         small,
Size                             large
                  compact                    compact       compact
                   few,         few to
Number                                          few          few
                uncommon       moderate
Mature            16-32          12-24     
								
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