Fig. 13

Neophasis lageniformis metacercariae, body-wall musculature. a: superficial frontal optical slice through the region of ventral sucker opening; b: Z-stack of frontal optical slices of midbody; c: scheme showing the arrangement of longitudinal, diagonal, and additional groups of muscles on the ventral side of the trunk. al + aum – anteriolateral muscle fibers with aU-shaped muscle set; ar – anterioradial muscle fibers; dm – diagonal muscle fibers; gp – genital pore; ium – muscle fibers of iU-shaped set; lm – longitudinal muscle fibers; pr – posterioradial muscle fibers; vs – ventral sucker. Scale bars 10 μm