Author: Paul Kwan, Ph.D.
| Description: | The cells of the zona reticularis produce small amounts of sex
hormones. Being steroid synthesising and metabolizing cells, they have
lipid droplets in the cytoplasm. These droplets appear as vacuoles in
routine tissue preparations, thus the cytoplasm is quite pale. The
nuclei of the reticularis cells are small and dark in this picture. The
cells of the medulla produced biogenic amines (catecholamines),
epinephrine and norepinephrine. The cells are large and have vesicular
nuclei. You can see the nucleoli in some of the nuclei. The cytoplasm
of the glandular cells in the medulla is basophilic and contain small
granules. The large channel is a sinusoid. Original mag. 100x H&E
Adrenal medulla. Endocrine System. Dog. |
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