* Commonly known as adrenaline
* Acts as a hormone secreted under control of sympathetic nervous system
* Acts as a synaptic transmitter


University of Michigan - Ann Arbor

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* Richly supplied with autonomic nerves
* Inner core of Adrenal gland
* Releases catecholamine in response to "fight or flight" reaction
* Hormones secretion is controlled directly by brain via sympathetic nerve terminals that release acetylcholine in the adrenal medulla 


Adrenal Medulla

Breedlove, S. & Watson, N. (2017). Behavioral neuroscience, eighth edition. Oxford University Press.

Behavioral Neuroscience 8th Edition

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Epinephrine

* Commonly known as noradrenaline
* Hormone released by adrenal medulla
* Neurotransmitter produced and released by sympathetic post-ganglionic neurons 

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