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Localization of Npr2 mRNA in ovarian follicles shown by in situ hybridization. Bright field micrographs are shown in the top panels (A, C, E, and G) and dark field in the bottom (B, D, F, and H). CC and arrows, Cumulus cells; MG, mural granulosa cells; Oo, oocyte. Scale bars, 200 μm.
