nicotinic

1. Of or relating to nicotine.
2. Of or relating to niacin.

1. Of or relating to nicotine.
2. Of or relating to niacin.

Pertaining to the transmission of nerve impulses mediated by nicotinic receptors.

• n. acid — see niacin.
• n. receptors — cholinergic receptors of autonomic ganglion cells and motor end-plates of skeletal muscle that are stimulated by low doses of nicotine and blockaded by high doses or by tubocurarine.
• n. synapses — synapses in which nicotinic transmitters effect the transmission of impulses.