Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
Epinephrine levels refer to the amount of epinephrine (also known as adrenaline) present in an individual's body. Epinephrine is a hormone released by the adrenal glands during times of stress or excitement.