Fig. 1.
Immunofluorescence detection of the histamine receptor subtype on mouse cumulus oocyte complex (COC). A) COC incubated with the antibody against H1R; B) COC incubated with the antibody against H2R; C) COC incubated with the antibody against H3R; D) COC incubated with the antibody against H4R. Red arrows indicate the nucleus within the cytoplasm of the oocyte (bars: 10.00 µm)
