Cortex:
- zona Glomerulosa - mineralocorticoids, aldosterone
- zona Fasciculata - glucocorticoids, cortisol
- zona Reticularis - androgens, DHEA
Medulla:
- chromaffin cells - catecholamines - adrenaline
2 types of adrenal medullary tumours
- Phaeochromocytoma (adults)
- Neuroblastoma (children)
Tumour of neuroendocrine chromaffin cells - excessive release of catecholamines (\rightarrow) paroxysmal features - Essential hypertension, sweating, anxiety, panic attacks