Pigmented Cells in the Pineal Gland of Female Viscacha (Lagostomus maximus maximus): A Histochemical and Ultrastructural Study

Figure 4

Image of female pineal gland in mid pregnancy. The photomicrograph shows a semithin section with numerous pigmented cells (arrowheads) in close relation to blood vessels (v). The inset shows the pigmented cell in close relation to the blood vessel in greater magnification. Toluidine blue. Scale bar: 25 μm. Inset scale bar: 5 μm.