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ackman678
2020-10-28 21:56:06 -07:00
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neurophysiology4.md
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@@ -337,8 +337,6 @@ Note:
Criteria depicted here
[https://www.quora.com/How-many-types-of-neurotransmitters-are-there-in-a-human-brain](https://www.quora.com/How-many-types-of-neurotransmitters-are-there-in-a-human-brain)
It depends on how you count, but maybe 30 - 100 different molecule types, with 10 of them doing 99% of the work. More than 100 different neurotransmitters have been identified.
There are two main broad categories of neurotransmitters: "Small molecule" neurotransmitters (glutamate, GABA, acetylcholine, biogenic amines (dopamine, serotonin, noradrenaline, and histamine)) and neuropeptides (opioid peptides, substance P). ATP/purines and unsaturated fatty acids like endocannabinoids (anandamide, 2-AG) also can act as neurotransmitters.
@@ -737,15 +735,6 @@ Tetanus toxin and various types of botulinum toxin act by preventing exocytosis.
Note:
NSF
: NEM-sensitive fusion protein (orig found to be important for fusion of vesicles with membranes of Golgi apparatus)
: ATPase
SNAPs
: soluble NSF attachment proteins
SNARES
: 'SNAP receptors'
<!-- ## Botox
@@ -755,7 +744,6 @@ SNARES
<figure><img src="figs/photo_botox_behandlung_a000d47.jpeg" height="200px"><figcaption></figcaption></figure>
Note:
when botox is injected in small amounts, it can effectively weaken a muscle for a period of three to four months
-->