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The Journal of Basic and Applied Zoology
Fig. 1 | The Journal of Basic and Applied Zoology

Fig. 1

From: The ameliorating effect of some immune-stimulants on bursal and tracheal lesions of broiler chickens challenged with ND virus

Fig. 1

a The examined bursae from chicken in group I showing hyperplasia of the follicular epithelium (arrow), multiple small epithelial cysts (notched arrow) with subepithelial edema and infiltrated with inflammatory cells (star), bar = 50. b Proliferation of the inter-follicular stromal connective tissue and infiltrated with mononuclear cells (star), bar = 50. c Depletion of the bursal follicles (star) with remnants of fibrin (arrow), bar = 50 (H&E). d There is a marked epithelisation of the follicular structures which formed multiple cysts (arrow), bar = 100. e Presence of large medullary cysts filled with cellular debris and pretentious material (arrow), bar = 100 (H&E)

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