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

Fig. 5

From: The toxic effect of zinc oxide nanoparticles on the terrestrial slug Lehmannia nyctelia (Gastropoda-Limacidae)

Fig. 5

a Photomicrograph of sections through the gonads shows: spermatocyte (SC), spermatids (S), numerous spermatozoa (SP), growing oocytes (GO), and vitellogenic oocytes (VO). b Slugs treated with 0.01 ZnO NPs showing fibrosis (Fi), blood cells infiltration (FL), space (S), and the simple squamous cells layer ruptured in some positions (arrows). c Slugs treated with 0.02 ZnO NPs showing empty spaces (S) and fibrosis (stars) and d slugs treated with 0.05 ZnO NPs showing fibrosis (Fi) and aggregation of early gametogenesis stages(arrows)

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