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Neurotransmitters

neurotransmitters

endogenous signaling molecules that alter the behaviour of neurons or effector cells. Neurotransmitter is used here in its most general sense, including not only messengers that act directly to regulate ion channels, but also those that act through second messenger systems, and those that act at a distance from their site of release. Included are neuromodulators, neuroregulators, neuromediators, and neurohumors, whether or not acting at synapses.


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spinal nerves

2) of course it must have neurotransmitters, how else would it pass signal? 3) that's where the nerve comes from (between which vertebra)

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by JackBean
Wed Jan 09, 2013 11:25 am
 
Forum: Human Biology
Topic: spinal nerves
Replies: 2
Views: 1884

Beet Root Pigment

... in every cell of mammals to synthesize and donate methyl groups (CH3) for other processes in the body. These processes include the synthesis of neurotransmitters such as dopamine, serotonin. Methylation is also required for the biosynthesis of melatonin and the electron transport chain constituent ...

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by jinx25
Mon Oct 08, 2012 2:54 am
 
Forum: General Discussion
Topic: Beet Root Pigment
Replies: 7
Views: 3588

Re:

for number 1 you have neurotransmitters that induce the initial opening of channels, and as it builds up to the threshold number 2 is based on the physics principle and that a current travels faster with large diameter, there should ...

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by AbducensNucleus
Sun Aug 12, 2012 3:28 am
 
Forum: Human Biology
Topic: [NEUROSCIENCE]-Two Questions about AP Propagation
Replies: 5
Views: 5000

[NEUROSCIENCE]-Two Questions about AP Propagation

for number 1 you have neurotransmitters that induce the initial opening of channels, and as it builds up to the threshold number 2 is based on the physics principle and that a current travels faster with large diameter, there should ...

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by david23
Tue Aug 07, 2012 10:15 pm
 
Forum: Human Biology
Topic: [NEUROSCIENCE]-Two Questions about AP Propagation
Replies: 5
Views: 5000

Nervous system

... to the other brain hemisphere at the region of the pons. Some other sources, identify the cross over in the medulla. 3.Dopamine and serotonin are neurotransmitters produced by certain neurons in the brain. One effect of dopamine is that it brings about feelings of euphoria (pleasure). Serotonin ...

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by Catherine89
Sun Feb 05, 2012 7:22 pm
 
Forum: Human Biology
Topic: Nervous system
Replies: 0
Views: 3755
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