Fig. 4 in Boehmiella wilsoni (Nematoda, Heligmosomoidea, Boehmiellidae fam. nov.), found in Amazonian rodents

Fig. 4. Scanning electron microscopy of Boehmiella wilsoni. (A) Anterior region showing a deirid (arrowhead) and the excretory pore (arrow). (B) Detail of a deirid. (C) Detail of excretory pore. (D) Anterior end in apical view showing two cephalic papillae (pc) and amphid (a). (E) Posterior end of female and detail of anus (arrow). (F) Posterior end of male, showing the prebursal papillae (arrow) and spicule tip(s). (G) Detail of a prebursal papillae (p). (H) Detail of a pair of spicule tips. Abbreviation: v-ventral and d-dorsal.