This higher magnification shows the pinealocytes which are distinguished by their pale, round nuclei. You may also see small dense nuclei belonging to glial cells. The pineal is also well vascularized, which is typical of an endocrine organ. Your slide of the young pineal may have some part of the brain attached. Pinealocytes, with their pale nuclei can be seen along with a few glial cells.
Capillaries are also evident.
Look at your slide and find both cell types. The Endocrine Pancreas Look at your slide of the pancreas. Find fields showing both acinar exocrine cells and patches of islet cells. These patches are called the Islets of Langerhans. They are the endocrine cells in the pancreas.