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Figure 1 | Parasites & Vectors

Figure 1

From: High lipid storage in vacoular forms of subtype 6 blastocystis sp. in ostrich

Figure 1

Comparison of Transmission electron microscopy and light microscopy of Blastocystis sp. for ostrich isolates and human isolates. A: Transmission electron micrograph showing an irregular shape Blastocystis sp. with a prominent nucleus (Nu) B: A thick, compact surface coat (sc) is seen to surround the cell when examined by transmission electron microscopy. A high electron dense area was observed in the central vacuole (CV). C: Numerous mitochondria (m) were seen in the Blastocystis sp. cells of the ostrich isolates. D: Higher magnification of Blastocystis sp. membrane in the ostrich faecal culture. E: A multi-vacoulated form (v) of Blastocystis sp. in human faecal culture with multiple mitochondria present in the cytoplasm. F: Higher magnification of Blastocystis sp. membrane in the human faecal culture. Note: the cell membrane of Blastocystis sp. in ostrich and human isolates were 235.48 to 345.22 nm and 184.70 to 208.72 nm, respectively. G: Light microscopic images of Blastocystis sp. isolated on day 3 of ostrich faecal culture stained with Sudan Black B. Positive reactions are seen as dark droplets in the central vacuole. Note: dark droplets (arrows). H: Light microscopic images of Blastocystis sp. isolated on day 3 of human faecal culture stained with Sudan Black B. No reactions were observed in the central vacuole.

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