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The Journal of Basic and Applied Zoology
Fig. 9 | The Journal of Basic and Applied Zoology

Fig. 9

From: Harderian gland of flying and non-flying birds: morphological, histological, and histochemical studies

Fig. 9

Light micrograph of the HG of duck (A, B, C) and goose (D, E, F). The intratubular villi-like folds project into the lumen (Lu) of centrally situated canal (A). The higher magnification to the rectangle of A represents the lining epithelium of central duct was simple columnar epithelium (arrow head) and surrounded by myoepithelial cells (arrow) (B) and the excretory duct (Ed) in C. The irregular central lumen was contained crypts (D). The higher magnification to the rectangle of D represents the lining epithelium of central duct was simple columnar epithelium darkly stained (arrow head) and surrounded by myoepithelial cells (arrow) in E. The excretory duct (Ed) in F. Stain, H&E

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