Giardia intestinalis – Trophozoite (15 µm X 6 µm) in stools (MGG stain)

France, Gari-Toussaint Martine

All the features that are typical of Giardia intestinalis trophozoites are displayed on this picture: bilateral symmetry, appearance of teardrop or kite, concave portion corresponding to the sucking disc, 2 pairs of flagella which are curved backwards, 2 nuclei, 2 axonemes, and 2 median bodies.