The discovery of uptake of adrenaline in 1930-1933 and the development of the adrenergic fibre from a cholinergic fibre.
D000818:Animals; D002645:Chickens; D004837:Epinephrine / Q000266:history* / Q000378:metabolism / Q000502:physiology; D005399:Fishes; D049673:History, 20th Century; D009474:Neurons / Q000254:growth & development / Q000502:physiology*; D010275:Parasympathetic Nervous System / Q000502:physiology*; D011817:Rabbits; D013564:Sympathetic Nervous System / Q000502:physiology*; D013997:Time Factors; D014439:Tyramine / Q000502:physiology
D014439:Tyramine; D004837:Epinephrine