Sweat Glands Sympathetic
[mage lang="en" source="flickr"]Sweat Glands Sympathetic[/mage]
Match the following statments correctly.?
Is the principal transmitter within the sympathetic presynaptic ganglia.
Is the principal transmitter in sympathetic post-ganglionic nerve terminals.
Some sympathetic postganglionic nerves secrete thie compound (e.g. those that innervate the sweat glands).
Long preganglionic fibres and short post ganglionic fibres.
Short preganglionic fibres, long post ganglionic fibres.
1. noradrenaline
2.sympathetic nerves usually have
3. acteylcholine
4. parasympathetic nerve usually have
Preganglionic neurons of the sympathetic and parasympathetic all use acetylcholine as the neurotransmitter. Here’s the breakdown on pre and postganglionic neurotransmitters:
Postganglionic neurons going to adrenergic receptors use norepinephrine as their postganglionic neurotransmitter.
Postganglionic neurons going to adrenergic muscarinic receptors, (sweat glands included), use acetylcholine as their postganglionic neurotransmitter.
Postganglionic neurons going to parasympathetic muscarinic receptors, (sweat glands included), also use acetylcholine as their postganglionic neurotransmitter.
Hope this helps…
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