Dictionary » S » Synaptic

Synaptic

Definition

adjective

Of, relating to, or influenced by a synapse or synapsis.


Supplement

Word origin: synapse ยป Greek sunapsis, point of contact, from sunaptein, to join together : sun-, syn- + haptein, to fasten.

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PostSynaptic Neuron

As you know, postsynaptic neuron is excited by the neurotransmitter released by the presynaptic neuron at synaptic cleft. The effect of this neurotransmitter is terminated by different ways. 1. It may be degraded by the enzyme (as ...

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by freshbiology
Fri Jul 24, 2009 4:40 pm
 
Forum: General Discussion
Topic: PostSynaptic Neuron
Replies: 3
Views: 128

Natural selection is proven wrong

... is quoted to better define things and U-Mass Professor Arnold Trehub's university level book "The Cognitive Brain" that had me modeling synaptic networks of all sorts way before "neural-net" memories came around. I was lucky to find the best university level science that was ...

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by GaryGaulin
Tue Apr 28, 2009 1:39 pm
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16631

Calcium ions

That is very inaccurate. The actual mechanism is something like this: a synaptic vesicle needs to fuse with the plasma membrane in order for the neurotransmitter to be released into the synaptic cleft. When the neuron is not firing, some vesicles are tethered ...

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by MrMistery
Fri Nov 28, 2008 4:14 pm
 
Forum: Human Biology
Topic: Calcium ions
Replies: 2
Views: 866

Overproduction of Cholinesterase

... I don't really think it would make that much of a difference. The fact this(i think), there is already enough cholinesterase in the synaptic cleft to quickly degrade any molecules of acetylcholine that are not attached to the receptor. In an extreme cases, the cholinesterase would ...

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by MrMistery
Sun Sep 07, 2008 2:32 am
 
Forum: Cell Biology
Topic: Overproduction of Cholinesterase
Replies: 1
Views: 1189

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... billion synapses (Kandel, 1991). Even storing information at the low average rate of one bit per synapse, which would require two levels of synaptic activity (high or low/on or off), the structure as a whole would generate 1014 bits of information. Contemporary supercomputers, by comparison, ...

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by TJJ
Fri May 16, 2008 12:13 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 18
Views: 12542
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