| slovo | definícia |
acetylcholine
(encz) | acetylcholine,acetylcholin n: Zdeněk Brož |
acetylcholine
(gcide) | acetylcholine \acetylcholine\ n.
1. a neurotransmitter released by the transmitting dendron at
autononmous synapses and at neuromuscular junctions. It is
a quaternary amine with an obligatory negative counterion.
The nominal formula for the hydroxide form is C7H17NO3.
Structural formula (CH3)3N(+)CH2CH2.O.CO.CH3.OH(-).
Note: Acetylcholine is the first recognized and best-studied
of the neurotransmitters. At receptors it is recycled
into choline by the action of acetylcholinesterase.
Acetylcholinesterase inhibitors therefore function as
nerve poisons. For biochemical studies it is prepared
typically in the chloride or bromide forms.
[WordNet 1.5 +PJC] |
acetylcholine
(wn) | acetylcholine
n 1: a neurotransmitter that is a derivative of choline;
released at the ends of nerve fibers in the somatic and
parasympathetic nervous systems |
| | podobné slovo | definícia |
acetylcholinesterase
(gcide) | acetylcholinesterase \acetylcholinesterase\ n.
1. an enzyme which exists in nerve cells and hydrolyses
acetylcholine into choline and acetic acid.
Note: It is essential for neurotransmission at autonomous
synapses and neuromuscular junctions, and its
inhibition by acetylcholinesterase inhibitors can
paralyze or kill an animal.
Syn: ACE
[PJC] |
|
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