Fig. 5From: Tube construction by a tanaidacean crustacean using a novel mucus secretion system involving the anal openingMucus on a cover slip. a, b AB (a) and AB + PAS (b) staining, light photomicrographs; insert is an image at lower magnification, with the square indicating the position of panel a; arrowheads, three regions stained dark-blue to mauve. c SEM image, with squares indicating positions of enlargements in d–f. d, e amorphous mucus globules. f Magnified image, with squares indicating positions of enlargements in g and h; arrowhead, bundle of filaments. g Meshed architecture in the mucus. h Bundle of filaments. Scale bars: 1 mm insert in a; 100 μm (a–c, f); 20 μm (d, e); 1 μm (g, h)Back to article page