Fig. 4From: Identification of a phenoloxidase- and melanin-dependent defence mechanism in Achatina fulica infected with Angiostrongylus vasorumHistological sections of the cephalopodal region of Achatina fulica. a Melanisation spots in the tissue of Achatina fulica control (white arrows). b Tissue at 1 dpi, presence of melanin crystals in tissue (white arrows). Scale-bars: 25 μmBack to article page