Protozoan cyst with 4 elongate sporozoites & excretory granules.
02a. Protozoan Cyst: Less than 15 µm; viewed with high power (40x) objective. Sarcocystis Sporocyst -- Four pyriform sporozoites and opaque excretory granules visible.

 Helminth Egg.
02b. Helminth Egg: Greater than 15 µm; viewed with moderate power (10x) objective.
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