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Transverse intestinal wall biopsy specimen, which demonstrates Anisakiasis larva within the submucosa. Thin arrows highlight polymyarial muscle cells, separated into ×4 quadrants by the chords demonstrating two wing-like lobes (arrowheads). Banana-shaped excretory cells are organized ventral to the intestine (thick arrows). (Image obtained with permission from Mattiucci et al. [62]).
