Hypertension may also be caused by a brain tumour, a stroke or poliomyelitis. It may result from the excess hormones secreted during abnormal functioning of the outer substance-cortex-of the adrenal glands (Cushing's syndrome; aldosteronism), from the excess hormones from pheochromo Cytoma, a tumour of the inner substance-medulla-of the adrenal glands, or from the excess hormones by pituitary tumours; Again, treatment is of the underlying condition.
the outer substance-cortex-of the adrenal glands