Figure 10
From: Structural aspects of leg-to-gonopod metamorphosis in male helminthomorph millipedes (Diplopoda)
N. varicorne adult male. Schematic reconstruction of the extrinsic musculature of the left anterior and posterior gonopods. (A) Lateral view, anterior to the left. (B) Posterior view. agA, anterior gonopod apodeme; agp, anterior gonopod protractor muscle; agr, anterior gonopod retractor muscle; f, flagellum; gs, gonopodal sac; pgA, posterior gonopod apodeme; pgad, posterior gonopod adductor muscle; pgp, posterior gonopod protractor muscle; pgr, posterior gonopod retractor muscle; ph, prophragma; tA, tracheal pouch apodeme.