Dictionary of Cancer Terms
View in Spanish: Médula suprarrenal
Adrenal medulla (uh-DREE-nul meh-DOO-luh)
The inner part of the adrenal gland (a small organ on top of each kidney). The adrenal medulla makes chemicals such as epinephrine (adrenaline) and norepinephrine (noradrenaline) which are involved in sending nerve signals.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.