Fig. 4From: Anatomical, histochemical, and immunohistochemical observations on the gastrointestinal tract of Gallinula chloropus (Aves: Rallidae)Histology and mucosubstances histochemistry of the wall of the isthmus and ventriculus in the common moorhen. A-C) Sections through the wall of the isthmus (IS) stained with H&E (A), PAS (B), and alcian blue-PAS (C). D-F) Sections through the wall of the ventriculus (VE) stained with H&E (D,E) and alcian blue-PAS (F). Abbreviations: gg, gastric glands; hk, horizontal koilin; g, isthmus glands; se, surface epithelium; tm, tunica muscularis; vk, vertical koilinBack to article page