hypersecretion

/ˌhaɪpərsɪˈkriːʃən/
noun
  1. The production and release of too much of a substance by a gland or cell in the body.
    • Doctors tested for hypersecretion of cortisol to diagnose Cushing's syndrome.
    • The patient's hypersecretion of growth hormone caused acromegaly.
    • Hypersecretion of stomach acid can lead to ulcers.