Figure 1: Different morphological forms of Blastocystis spp. Vacuolar forms: (a) wet mount, (b) iodine stain, (c) iodine stain with the vacuole darkly stained, (d) trichrome stain, (e) trichrome stain with the vacuole stained red. Granular forms: (f) wet mount, (g) iodine stain, (h) trichrome stain. Amoeboid forms: (i, j) wet mount showing pseudopodia (arrowheads). Multivacuolar forms: (k) wet mount, (l) iodine stain. ×1000.