Fig. 2From: Immunolocalization of G protein-coupled estrogen receptor in the rat epididymisImmunolocalization of GPER in adult Brown Norway and Sprague Dawley rats. GPER immunostaining is observed primarily in the principal cell cytoplasm (red color) within the corpus and cauda. Immunostaining is strongest near the apical membrane (arrows). Bar = 100 μmBack to article page