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

Figure 1

Image of female pineal gland in early pregnancy. (a) The photomicrograph shows a pigmented cell (arrowhead) surrounded by pinealocytes (p). Some blood vessels are observed (v). Hematoxylin-eosin. (b) Pigmented cells (arrowhead) in close association with blood vessels (v). Modified phosphotungstic acid-hematoxylin. Scale bars: (a) and (b) 25 μm.

(a)

(b)