Fig. 1From: Profile of melatonin and its receptors and synthesizing enzymes in cumulus–oocyte complexes of the developing sheep antral follicle—a potential estradiol-mediated mechanismImmunohistochemical localization of AANAT,HIOMT, MT1, and MT2 in sheep ovaries. a AANAT, b HIOMT, c MT1, d MT2, e negative control. OC: oocyte; GCs: granulosa cells; CCs: cumulus cells: TCs: theca cells. Scale bars correspond to 50 μmBack to article page