pheochromocytoma definition

  • noun:
    • A usually benign cyst of the adrenal medulla or perhaps the sympathetic neurological system when the affected cells secrete increased levels of epinephrine or norepinephrine.
    • A neuroendocrine tumour for the medulla for the adrenal glands
    • a vascular tumefaction associated with adrenal gland; hypersecretion of epinephrine results in periodic or sustained high blood pressure

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