Fig. 3 in Diversity and biology of Spirometra tapeworms (Cestoda: Diphyllobothriidea), zoonotic parasites of wildlife: A review

Fig. 3. Line drawings of Spirometra erinaceieuropaei from Canis lupus, Poland. A, B – ovarian region and terminal genitalia; ventral (A) and dorsal (B) view of the same proglottid. C, D – gravid proglottids; dorsal (C) and ventral (D) view; note the shape of the ovary, which is short, but with wide lateral wings. Vitelline follicles and testes illustrated in one side of proglottids only, except for lateral-most and median-most vitelline follicles. Abbreviations: ci – cirrus; cs – cirrus sac; doc – dorsal osmoregulatory canal; eg – eggs; esv – external seminal vesicle; mp – male genital pore; Mg – Mehlis' gland; oc – oocapt; ov – ovary; rc – receptaculum seminis; te – testes; up – uterine pore; ut – uterus; va – vagina; vd – vas deferens; vf – vitelline follicles; vp – vaginal pore; vr – vitelline reservoir.