Taxonomy: f. Hexamitidae
Animal: Giardia intestinalis 14 24.jpg
Sites: Gut
Comment:
Giardia intestinalis trophozoite - SEM. Trophozoites are pear shaped 10-20 x 5-15 microns x 2-4 microns thick; 4 lateral, 2 ventral and 2 caudal flagella; depression -a sucking disc occupies 1/2 to 3/4 of ventral surface to adhere to epithelium.

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