The presence of the adrenergic neurotransmitter in intraaxonal structures.
D018663:Adrenergic Agents; D006801:Humans; D009474:Neurons; D018377:Neurotransmitter Agents; D009638:Norepinephrine / Q000502:physiology*
D018663:Adrenergic Agents; D018377:Neurotransmitter Agents; D009638:Norepinephrine
ARTERENOL/physiology; NEURONS