Fig. 4From: Discovery of the pyridylphenylureas as novel molluscicides against the invasive snail Biomphalaria straminea, intermediate host of Schistosoma mansoniScanning electron micrographs of B. straminea foot plantaris. The cilia of the normal foot plantaris (a, b) were smooth and regular. The cilia of the foot plantaris exposed to compounds 8 (c, d) and 9 (e, f) and niclosamide (g, h) became tangled and adherentBack to article page