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Light micrographs (H&E stain) of the gonads of 5-month old male medaka transiently exposed to 0.001 ppb, 0.1 ppb and 10 ppb DEHP during early development. (a) control, (b) solvent control, (c) 0.001 ppb DEHP, (d) 0.1 ppb DEHP and (e) 10 ppb DEHP. Arrows indicate interstitial tissues; L, lumen of tubule; S, spermatids / spermatoza. Scale bar = 5 μm.
