Gonads of a control postmetamorphic (NF stage 66) male (,) and female (,) African clawed frog ()

<p><b>Copyright information:</b></p><p>Taken from "Characterization of Atrazine-Induced Gonadal Malformations in African Clawed Frogs () and Comparisons with Effects of an Androgen Antagonist (Cyproterone Acetate) and Exogenous Estrogen (17β-Estradiol): Support for the Demasculinization/Feminization Hypothesis"</p><p></p><p>Environmental Health Perspectives 2006;114(S-1):134-141.</p><p>Published online 24 Jan 2006</p><p>PMCID:PMC1874169.</p><p>This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original DOI</p> Abbreviations: OV, ovarian vesicle; K, kidney. (,) The entire kidney–interrenal–gonadal complex. The yellow color is the result of Bouin’s fixative. Arrowheads show the rostral and caudal ends of the animal’s right gonad. (,) Transverse cross-sections (8 μm) through the geometric center of each animal’s right gonad. Sections were stained with Mallory’s trichrome stain. Arrow indicates melanophore in the ovary. Scale bar: () 0.1 mm; () 10 μm. Figure adapted from