The localization of adrenaline-rich medullary chromaffin cells adjacent to the adrenal cortex.
D000311:Adrenal Glands / Q000502:physiology*; D000313:Adrenal Medulla / Q000166:cytology*; D000818:Animals; D002415:Cats; D004837:Epinephrine / Q000032:analysis* / Q000096:biosynthesis; D006651:Histocytochemistry; D008858:Microscopy, Phase-Contrast; D009638:Norepinephrine / Q000378:metabolism
D009638:Norepinephrine; D004837:Epinephrine