An interaction between chromaffin granules and calcium ions.
D000313:Adrenal Medulla / Q000032:analysis*; D000818:Animals; D002122:Calcium Chloride; D002417:Cattle; D002838:Chromaffin System / Q000166:cytology*; D003594:Cytoplasmic Granules; D004586:Electrophoresis; D066298:In Vitro Techniques
D002122:Calcium Chloride