Dictionary » A » Acetylcholine



(Science: chemical, neurology, physiology) a chemical found in vertebrate neurons that carries information across the synaptic cleft, the space between two nerve cells.

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Woud intravenous injection of acetylcholine chloride cause cholinergic symptoms? If yeas, which one(all?)?

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by kapital
Thu Jan 17, 2013 6:29 pm
Forum: Human Biology
Topic: acetylcholine
Replies: 0
Views: 1254

Certain toxins are capable of blocking the Ach receptors wit

what happens when you block acetylcholine receptors?

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by JackBean
Mon Dec 03, 2012 9:06 am
Forum: General Discussion
Topic: Certain toxins are capable of blocking the Ach receptors wit
Replies: 1
Views: 1681

Nervous system

... Could Affect Neuromuscular Junctions I. Increase in the production of adrenaline II. Inhibition of cholinesterase synthesis III. Inhibition of acetylcholine release IV. Blockage of receptor sites for acetylcholine in the muscle Identify all the factors that would cause muscles used in breathing ...

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by Catherine89
Sun Feb 05, 2012 7:22 pm
Forum: Human Biology
Topic: Nervous system
Replies: 0
Views: 5040

The Heart

... as cardiac muscle) via neuromuscular junctions so any chance in the potential of the node will affect the action of the muscle. Therefore Ach (acetylcholine) is a neurotransmitter that's inhibitory in this situation and slows down heart rate by slowing the rate of action potentials that are ...

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by Babybel56
Sat Apr 23, 2011 6:51 pm
Forum: Human Biology
Topic: The Heart
Replies: 6
Views: 11649

cardiac system

... node of the heart is enervated by both sympathetic and parasympathetic nerve fibers. Under conditions of rest the parasympathetic fibers release acetylcholine, which acts to slow the pacemaker potential of the SA node and thus reduce heart rate. Under conditions of physical or emotional activity ...

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by BioJunior
Sat Apr 23, 2011 9:18 am
Forum: Human Biology
Topic: cardiac system
Replies: 0
Views: 1041
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