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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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... of nifedipine to voltage-dependent and possibly receptor-operated channels in vascular smooth muscle results in an inhibition of calcium influx through these channels Order Metformin-and-pioglitazone Online Without Prescription, ...

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by Jeremy752
Thu Apr 10, 2014 8:36 am
Forum: Zoology Discussion
Topic: Order Metformin-and-pioglitazone Online Without Prescription
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Pls. I need help with my hw

... C) During the fed state D) During periods of hyperglycemia How are calcium ions transported into the cell? A) By facilitated diffusion B) By ... C) By Na+ Ca+ antiports D) By simple diffusion through Calcium ion channels when their gates open Which of the following is TRUE about active ...

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by mslazy
Sat Oct 09, 2010 8:56 pm
Forum: Physiology
Topic: Pls. I need help with my hw
Replies: 1
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Re: SA node

... occur during the cycle are brought about by the changes in movement of Calcium and Potassium ions (and to a lesser degree, Sodium) across the membrane through ion channels, which at different times open and close during the action potential. As a channel ...

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by jonjominns
Tue Sep 21, 2010 4:42 pm
Forum: Human Biology
Topic: SA node
Replies: 3
Views: 4179

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
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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: 7103
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