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  1. pheochromocytoma

    • IPA[ˌfēōˌkrōməsīˈtōmə]

    美式

    • n.
      a small vascular tumor of the adrenal medulla, causing irregular secretion of epinephrine and norepinephrine, leading to attacks of raised blood pressure, palpitations, and headache.
    • noun: phaeochromocytoma, plural noun: phaeochromocytomata