Figure 2
Scanning electron micrographs of adult Hymenolepis microstoma (Nottingham strain). A. Scolex and rostellum. B. Rostellar hooks. C. Microtriches on the scolex. D. Internal view of gravid strobila. E. Seminal receptacle with spermatozoa surrounded by eggs. F. Three-day old transforming oncosphere showing larval hooks (arrows and insets). Scale bars: A = 50 μm; B = 5 μm; C = 2 μm; D = 100 μm; E-F = 20 μm (insets = 2 μm).