Fig. 4

T. spiralis adult worm incubated in RPMI-1640 medium containing ALN (24.8 μg/ml) for 48 h showing (a): loss of the normal architecture of the cuticle, flattening of the cuticle annulations and widening of the hypodermal glands’ openings (× 1500), (b): blebs formation (× 5000), and (c) appearance of fissures in the cuticle (× 1500). T. spiralis adult worm incubated in RPMI-1640 medium containing ALN (49.6 μg/ml) for 48 h showing (d): complete loss of annulations (× 1500), (e) with sloughing of large areas of the cuticle (× 500), and (f): appearance of multiple vesicles (arrowhead) and a large cauliflower mass (arrow) (× 5000)