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The Journal of Basic and Applied Zoology
Fig. 3 | The Journal of Basic and Applied Zoology

Fig. 3

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

Fig. 3

A photomacrograph of isolated HG showing anterior extremity (a), posterior extremity (b), middle groove (c), and excretory duct (d) in duck (a) and goose (B). Isolated HG of ibis showing anterior extremity (a), posterior extremity (b), middle isthmus (c), and excretory duct (d) in C. Isolated HG of pigeon showing posterior broad extremity (a), anterior pointed extremity (b), and excretory duct (c) in D

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