Fig. 6

Control group of adult S. haematobium. a Head of a male showing oral and ventral suckers and the gynaecophoric canal. b Dorsal and lateral side of a male with tubercles and ridges. c Dorsal side of the mid-part of male showing ridges, sensory papillae and apex-spine-free tubercles. d Mid-part of the body of a female revealing the smooth tegument with ridges and sensory papillae. Abbreviations: GC, gynaecophoric canal; OS/VS, oral/ventral sucker; P, papillae; R, ridges; SFA, spine free apex; T, tubercles. Scale-bars: a, 200 μm; b, 50 μm; c, 20 μm; d, 50 μm