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células de cromafina
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 of the sympathetic nervous system.
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sistema renina angiotensina.
Sistema hormonal que regula la presión sanguínea y el balance hídrico (líquidos).