Immunohistochemical presence of D1R and D3R in rabbit brain striatum.

<p>D1R (photo A) and D3R (photo B) immunosignals are localized in the cytoplasm of neuronal cells (NC) of the brain striatum. Note the immunonegativity of striosomes (S). Scale bars: photo A, C, E = 200 µm; B, D = 50 µm.</p>