The isolation of a granular fraction from the suprarenal medulla, containing the sympathomimetic catechol amines.
D000313:Adrenal Medulla / Q000502:physiology*; D000588:Amines; D002396:Catechols / Q000031:analogs & derivatives; D003594:Cytoplasmic Granules; D013566:Sympathomimetics
D000588:Amines; D002396:Catechols; D013566:Sympathomimetics; C034221:catechol
ADRENAL MEDULLA/physiology; PYROCATECHOL/derivatives