Fig. 2From: Discovery of the pyridylphenylureas as novel molluscicides against the invasive snail Biomphalaria straminea, intermediate host of Schistosoma mansoniScanning electron micrographs of B. straminea tentacles. Normal tentacles (a, b) with a smooth surface and fine cilia. Tentacles exposed to compounds 8 (c, d) and 9 (e, f) and niclosamide (g, h) showing a rough surface and disorderly distributed and extensively damaged ciliaBack to article page