Fig. 7 in Crossing the polar front-Antarctic species discovery in the nudibranch genus Tritoniella (Gastropoda)

Fig. 7 Schematic drawing of the anterior part of the reproductive system of Tritoniella belli. Abbreviations: A, ampulla; Fgl, female glands; Vdu, vaginal duct; Pes, penial sheath (including penial papilla); R, seminal receptacle; Vd, vas deferens