Adjective
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.
Source: Webster's dictionaryBy binding to ganglion type nicotinic receptors in the adrenal medulla, nicotine increases flow of adrenaline (epinephrine), a stimulating hormone and neurotransmitter. Source: Internet
By binding to nicotinic acetylcholine receptors in the brain, nicotine elicits its psychoactive effects and increases the levels of several neurotransmitters in various brain structures – acting as a sort of "volume control." Source: Internet
In both branches the internal connections—the projections from the central nervous system to the autonomic ganglia—use acetylcholine as neurotransmitter, and the receptors it activates are of the nicotinic type. Source: Internet
However, the roots are rich in calcium and vitamin C and contain a nutritionally significant quantity of thiamine, riboflavin and nicotinic acid. Source: Internet
These are hydrolysed in the intestine and the resulting nicotinamide is absorbed either as such, or following its hydrolysis to nicotinic acid. Source: Internet
Partial substitution was seen with the DRA dextroamphetamine and the D 2 receptor agonist PNU-91356A, as well as with nicotine (which indirectly elevates dopamine levels through activation of nicotinic acetylcholine receptors ). Source: Internet