Cholinergic transmission involves the release of the neurotransmitter acetylcholine (ACh), and its activation of the postsynaptic receptor.

Question: How are cholinergic receptors subdivided?

Answer

Cholinergic transmission involves the release of the neurotransmitter acetylcholine (ACh), and its activation of the postsynaptic receptor.

Question: How are cholinergic receptors subdivided?

Answer: Cholinergic receptors are subdivided into nicotinic and muscarinic receptors.

They can be artificially stimulated respectively by the alkaloids:

• Nicotine, found in the tobacco plant
• Muscarine, from the poisonous amanita mushroom

(Fig 1)