1. Pheochromocytomas are tumors of the adrenal medulla that arise from chromaffin cells. 2. Among other noted discoveries and experiments, Vulpian discovered adrenaline in the adrenal medulla . 3. The adrenal medulla produces epinephrine ( adrenaline ) and norepinephrine ( noradrenaline ). 4. Adrenaline, or other wise known as Epineephrine ) is released from the Adrenal medulla . 5. The cells migrate a second time to the adrenal medulla . 6. There are two parts of the adrenal glands, the adrenal cortex and the adrenal medulla . 7. The adrenal medulla may be poorly formed or absent in cases of absent adrenal gland. 8. But the adrenal medulla , in contrast to the adrenal cortex, is not required for survival. 9. The central adrenomedullary vein, in the adrenal medulla , is an unusual type of blood vessel. 10. After which, the adrenal medulla secretes epinephrine.
