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Adrenal Medulla

Glossary

adrenal medulla

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.

Last updated: 2014-05-21

Source: The National Cancer Institute's Dictionary of Cancer Terms (http://www.cancer.gov/dictionary)