Nicotinic a. : Pertaining to, or derived from, nicotine; nicotic; -- used specifically to designate an acid related to pyridine, obtained by the oxidation of nicotine, and called nicotinic acid.

Example:
Why would the flexibility in the responses of body in Nicotinic receptors be useful?

Taxonomy
receptors, subunits, nicotinic acetylcholine receptor, muscle, neuronal, Nicotinic receptors, agonist, Acetylcholine receptor, channel, desensitisation, nAChR, ACh, nicotinic, PMID, nicotine, bind, pore, neuronal nAChRs.

Defination from the web:
Nicotinic acetylcholine receptor desensitisation is regulated by activation-induced extracellular adenosine accumulation" ... cAMP-dependent protein kinase phosphorylates the nicotinic acetylcholine receptor" ...