Plasmodium species (continued)
GROWING TROPHOZOITES
P. vivax
CHROMATIN MASS: Small to medium; light magenta.
CYTOPLASM
COLOR: Light blue.
DENSITY: Flimsy; amoeboid shape.
SIZE--8 to 10 mcm; spreads out through the erythrocyte.
VACUOLES: Multiple.
HEMOZOIN PIGMENT: Diffused; light gold rods.
INFECTED ERYTHROCYTE: Enlarged; pale; fine Schuffner's granules.
P. ovale
CHROMATIN MASS--Medium to large; dark magenta.
CYTOPLASM
COLOR--Darker blue than P. vivax.
Density--Slight amoeboid activity.
SIZE--4 to 7 mcm; less than half of erythrocyte filled.
VACUOLES--May have one to two.
HEMOZOIN PIGMENT--Golden brown; often diffused.
INFECTED ERYTHROCYTE--Slightly enlarged; pale Schuffners granules appear early;
may be oval and/or fimbriated
Figure 2-20. Growing trophozoite s, Plasmodium. (continued)
MD0842
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