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Fig. 3 | Frontiers in Zoology

Fig. 3

From: Love bites: male frogs (Plectrohyla, Hylidae) use teeth scratching to deliver sodefrin precursor-like factors to females during amplexus

Fig. 3

Plectrohyla glands. On the left side the upper rows show histological sections through the upper lips (red square) from male P. sagorum, P. hartwegi and P. matudai, the lower row shows the equivalent female sections. The top sections are stained with Coomassie Brilliant Blue R-250, all other sections with periodic acid Schiff. On the right side sections through the dorsal skin (green square) are shown for males (upper row) and females (lower row), all stained with periodic acid Schiff. The frog in the middle of the figure is a male P. matudai. ep, epidermis; L, lumen; OMG, ordinary mucus glands; SMG, specialized mucus glands; sc, stratum compactum; ss, stratum spongiosum. Scale bars = 100 μm

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Frontiers in Zoology

ISSN: 1742-9994