The major neurotransmitter released at end organ effectors of the sympathetic division of the autonomic nervous system is:
- Neurotransmitters at end organ.

Sympathetic

All organs except sweat glands and hair follicle - Noradrenaline/Norepinephrine
Sweat gland and hair follicle- Acetylcholine


Parasympathetic

Acetylcholine
Adrenaline
Nor–adrenaline
Dopamine
Acetylcholine