Fig. 2 in Large lungworms (Nematoda: Dictyocaulidae) recovered from the European bison may represent a new nematode subspecies

Fig. 2. Dictyocaulus viviparus of European bison, female genital system, light microscopy. (A) Ovejectors in left lateral view, showing relationships for the vulva (vu), vestibules, and combined anterior infundibulum, and sphincter (ainf + asph), and posterior infundibulum and sphincter (pinf + psph). (B) Region of posterior infundibulum (pinf) and posterior sphincter (psph), left lateral view. (C) female tail, right lateral view, showing anus and phasmids (ph).