Canadian Medical Guide > Anatomy > Endocrine System > Chromaffin System > Chromaffin Cells Terms and Definitions

Chromaffin Cells

Medical Definition:	Cells that store epinephrine secretory vesicles. During times of stress, the nervous system signals the vesicles to secrete their hormonal content. Their name derives from their ability to stain a brownish color with chromic salts. Characteristically, they are located in the adrenal medulla and paraganglia (PARAGANGLIA, CHROMAFFIN) of the sympathetic nervous system.
Guide Notes:	located in adrenal medulla & sympath paraganglia; store epinephrine
Previously Indexed:	Chromaffin System (1967-1996),Enterochromaffin Cells (1977-1995)

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