Topic: Cause of Depolarization
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Answers to Common Questions
What causes depolarization?
To directly answer your question about hyperkalemia you must think about the inter and extracellular concentration of ions. K (potassium) is the major intracellular ion. Na (sodium) is the major extracellular ion. Membranes of cells are cha... Read More »
Source: http://wiki.answers.com/Q/What_is_the_ECG_deflection_that_indicat...
What causes the rapid depolarization phase of a contractile cell ...
In muscle cells the inward current is a sodium + calcium flow through acetycholine activated channels as well as through voltage sensitive calcium channels. Read More »
Source: http://wiki.answers.com/Q/What_causes_the_rapid_depolarization_ph...
What events cause changes in the membrane potential during nerve ...
Neurons allow the brain to communicate with the rest of the body through the propagation of waves of depolarization, known as action potentials, along the axon membrane. Read More »
Source: http://www.chacha.com/question/what-events-cause-changes-in-the-m...
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Answers to Other Common Questions
Most of the dysfunctions produced by the absorption of lead are due to lead's ability to mimic and inhibit the actions of calcium.
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Source: http://www.chacha.com/question/why-does-depolarization-of-the-pre...
You want to look up "excitation-contraction coupling." This is the process by which electrical excitation of a contractile cell results in activation of its contractile apparatus.
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Source: http://answers.yahoo.com/question/index?qid=20090527025556AA3wxK2
Increase in heart rate can be controlled by the sympathetic nervous system, specifically between C6 and T5 vertebra in the spinal column. The cell bodies would be situated in the chain of sympathetic ganglia running adjacent to the spinal c...
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Source: http://answers.yahoo.com/question/index?qid=20100726023112AAucMiL
voltage gated sodium pump
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Source: http://answers.yahoo.com/question/index?qid=20100202152922AALDy6b
The receptor is a stretch activated potassium channel. The channels are located of the tips of the sereocilia and the kinocilium of the hair cell.. Source(s): http://www.neurophys.wisc.edu/h&b/textbo… http://en.wikipedia.org/wiki/Hair_cell#...
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Source: http://answers.yahoo.com/question/index?qid=20081129191004AAkd52y
I suppose you are talking about the neural transmission? Depolarization is when the chemicals react in the neuron to open gates. Positive ions flow in to establish equilibrium. when the charge becomes -50mv inside and outside of the neuron,...
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Source: http://answers.yahoo.com/question/index?qid=20090202175133AA9JFhf
The axon hillock is the place for initiation of action potentials. The axon hillock has a large number of voltage-gated sodium channels, so when the cell has depolarized sufficiently, a lot of sodium is let in at the axon hillock, causing t...
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Source: http://answers.yahoo.com/question/index?qid=20101121180203AAHFYMI
