The adrenal cortex and the sympathetic nervous system.
D000302:Adrenal Cortex / Q000502:physiology*; D004837:Epinephrine / Q000502:physiology*; D006801:Humans; D013564:Sympathetic Nervous System / Q000502:physiology*
D004837:Epinephrine
ADRENAL CORTEX/physiology; EPINEPHRINE/physiology; SYMPATHETIC NERVOUS SYSTEM/physiology