Figure 1

Illustrations of adult Hymenolepis microstoma (Nottingham strain). A. Whole worm. B. Hook showing measurement vectors. C. Egg. D. Scolex. E. Mature proglottide. F. Cross section of mature proglottide. Abbreviations: b, blade; c, cirrus; cs, cirrus sac; doc, dorsal osmoregulatory canal; eb, embryophore; eh, embryonic hooks; es, eggshell; esv, external seminal vesicle; g, guard; h, handle; isv, internal seminal vesicle; nc, nerve cord; o, ovary; oc, oncosphere; pf; polar filaments; r, rostellum; rp, rostellar bulb; s, shell; sr, seminal receptacle; t, testis; u, uterus; va, vagina; voc, ventral osmoregulatory canal. Scale bars: A = 1 mm; B = 10 μm; C = 50 μm; D-F = 100 μm.