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The Journal of Basic and Applied Zoology
Fig. 5 | The Journal of Basic and Applied Zoology

Fig. 5

From: Histological and scanning electron microscopic study of the effect of UV-A radiation on the land snail Monacha obstructa

Fig. 5

A Photomicrograph of digestive gland of unexposed snails showing the digestive tubules surrounded by circular muscle fibers (m), separated from each other by connective tissue (ct); each tubule have a central lumen (l) which is surrounded with calcium cells (c), excretory cells (e), digestive cells (d), and thin cells (t). B Photomicrograph of digestive gland of snails exposed to UV-A radiation for 3 h for two successive days shows cuboidal epithelial cell (e), calcium cell (c), and lumen (l). C Photomicrograph of digestive gland of snails exposed to UV-A radiation for 3 h for three successive days showing digestive tubules with many vacuoles (white arrow) and darkly stained granules (black arrow)

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