1. H&E, 100x 1 3 2

2. 1 2 Specific actin smooth muscle
Human pineal gland: man 20 years old. The figure shows immunohistochemistry with specific actin smooth muscle, brown color. 1) positive cells; and 2) negative cells).
CD117 +
Human pineal gland: man 20 years old. The figure shows c-kit cells positive (arrow)
Specific actin smooth muscle

3. [glial fibrillary acidic protein (GFAP), brown color).
Human pineal gland: man 20 years old. The figure shows
immunohistochemistry with antibodies against glial markers
[glial fibrillary acidic protein (GFAP), brown color).

4. The figure shows the corpora arenacea (arrow).
Human pineal gland: 20 years old male.
The figure shows the corpora arenacea (arrow).