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Fig. 2 | Zoological Letters

Fig. 2

From: Structural and bio-functional assessment of the postaxillary gland in Nidirana pleuraden (Amphibia: Anura: Ranidae)

Fig. 2

Structural and histochemical characteristics of dorsal skins and postaxillary glands of male N. pleuraden. a HE staining of the dorsal skin. b AB-PAS staining of the postaxillary gland. c HE staining of the postaxillary gland. d Masson’s trichrome staining of the postaxillary gland. e AB-PAS staining of the dorsal skin. f Masson's trichrome staining of the dorsal skin. g Magnified view of ordinary serous glands in dorsal skins stained with AB-PAS method. h Magnified view of the type I mucous glands in dorsal skins stained with AB-PAS method. i Magnified view of the type II mucous glands in postaxillary glands stained with AB-PAS method. j Magnified view of a lumen contains secretory materials of the specialized mucous glands in postaxillary glands stained with AB-PAS. ep, epidermis; ss, stratum spongiosum; sc, stratum compactum; mec, myoepithelial cell; I MG, type I mucous gland; II MG, type II mucous gland; OSG, ordinary serous gland; SMG, specialized mucous gland; bv, blood vessel; L, lumen; *, gland duct; , gland neck; k, keratinized epidermal cell; in, interstice. Bars = 100 μm (b, c, e, f), 50 μm (a, d, h, j) and 25 μm (g, i)

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