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A catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses
Answer for the clue "A catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses ", 14 letters:
norepinephrine
Word definitions for norepinephrine in dictionaries
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
1868, from normal (in reference to molecular structure) + epinephrine .
Wikipedia
Word definitions in Wikipedia
Norepinephrine ( NE ), also called noradrenaline ( NA ) or noradrenalin , is an organic chemical in the catecholamine family that functions in the human brain and body as a hormone and neurotransmitter . The name "noradrenaline," derived from Latin roots ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
norepinephrine \norepinephrine\ n. A hormone ( C8H11NO3 ) secreted by the adrenal medulla; it also serves as a neurotransmitter, released at synapses; called also noradrenaline . Chemically it is 2-amino-1-(3,4-dihydroxyphenyl)ethanol. It is a precursor ...
Wiktionary
Word definitions in Wiktionary
n. (context neurotransmitter English) A neurotransmitter found in the locus coeruleus which is synthesized from dopamine.
WordNet
Word definitions in WordNet
n. a catecholamine precursor of epinephrine that is secreted by the adrenal medulla and also released at synapses [syn: noradrenaline ]
Usage examples of norepinephrine.
As a result, those nerve fibers which secrete acetylcholine are referred to as cholinergic nerves and those which secrete norepinephrine are adrenergic nerves.
Raging through his brain cells was a storm of neurotransmitters, dopamine and taurine and norepinephrine, this time of a slightly different concentration and mixture than before.
Those drinks were chock full of oxytocin, dopamine, norepinephrine, phenylethylamine and God knows what else.
As a result, those nerve fibers which secrete acetylcholine are referred to as cholinergic nerves and those which secrete norepinephrine are adrenergic nerves.
For this holon, in the Upper-Right quadrant, there is a change in brain physiology, a change that can be described in completely objective terms (it-language): there was a release of norepinephrine between the neural synapses in the frontal cortex, accompanied by high-amplitude beta waves .
It stimulates the central nervous system by potentiating the effects of norepinephrine, a neurohormone which activates parts of the sympathetic nervous system.
For instance, nerve endings of the sympathetic system secrete norepinephrine (nor-adrenalin), as I pointed out on page 218, and this is very similar to epinephrine (adrenalin), which I discussed on pages 40-43.