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Calcium channels

Calcium channel

(Science: physiology) a membrane channel that is specific for calcium. It is a voltage-dependent cell membrane glycoproteins selectively permeable to calcium ions. They are categorised as l, t, n, or p types based on the activation and inactivation kinetics, ion specificity, and sensitivity to drugs and toxins.


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Biology Experts, Help!

... body. No water -> weight loss. No iron etc -> anemia. 4. blocking calcium channels inhibits muscle contraction. If the patient is too sensitive to the drug or the dose ...

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by MrMistery
Sat Jun 13, 2009 11:29 am
 
Forum: Human Biology
Topic: Biology Experts, Help!
Replies: 5
Views: 298

Comparing Cellular Respiration & Fermentation

... some evidence has surfaced recently that it might be leaky ryanodine calcium channels. Sure, it's still hard to tell for sure right now, but fun to debate though....

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by MrMistery
Thu Oct 02, 2008 2:49 am
 
Forum: Cell Biology
Topic: Comparing Cellular Respiration & Fermentation
Replies: 5
Views: 2446

Re: On Calcium mediated exocytosis and the synaptotogmin fam

... potential arrives. This is done by the opening of voltage mediated calcium channels, which cause an influx of calcium at that point. The calcium inactivates the protein ...

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by Revenged
Mon Jul 09, 2007 10:40 am
 
Forum: Cell Biology
Topic: On Calcium mediated exocytosis and the synaptotogmin family
Replies: 3
Views: 823

On Calcium mediated exocytosis and the synaptotogmin family

... potential arrives. This is done by the opening of voltage mediated calcium channels, which cause an influx of calcium at that point. The calcium inactivates the protein ...

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by MrMistery
Thu Jul 05, 2007 9:24 am
 
Forum: Cell Biology
Topic: On Calcium mediated exocytosis and the synaptotogmin family
Replies: 3
Views: 823

The Fiber Disease

... operates via a mechanism of direct coupling of the stimulus to ion channels, in a manner reminiscent of the direct gating of post-synaptic ion ... mechanisms of adaptation, and it appears in each case that cytoplasmic calcium concentration plays a major role in adaptation." So, this can ...

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by Skytroll
Wed Nov 01, 2006 6:35 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748648
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