Fig. 3. : lectin-fluorescein isothiocyanate labelling of the genital gland tissues in 50 days infected snails Galba truncatula with larvae of Fasciola hepatica. (A) A positive Lycopersicon esculentum staining on the epithelium, lined the gland tubules (arrow); ag - albumen gland; (B) presence of Arachis hypogaea binding sites in the cells of the albumen gland; (C) an intensive labelling with Ulex europaeus-I of the tubular walls (thin arrow) and intertubular connective tissue (transparent arrowhead). The (red) is inserted into tubule redia, which is not stained.