Fig. 13

Dugesia tumida. Sagittal reconstruction of the copulatory apparatus of paratype YLKB2. Scale bar: 100 μm. Abbreviations: bc, bursal canal; cb, copulatory bursa; cg, cement glands; d, diaphragm; ed, ejaculatory duct; go, gonopore; mo, mouth; od, oviduct; pg, penis glands; ph, pharynx; pp, penis papilla; pv, penial valve; sg, shell glands; sv, seminal vesicle; vd, vas deferens