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- औषधि विज्ञान
- कृषि और जलकृषि
- चिकित्सीय विज्ञान
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- तंत्रिका विज्ञान और मनोविज्ञान
- नर्सिंग एवं स्वास्थ्य देखभाल
- नैदानिक विज्ञान
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- सामान्य विज्ञान
अमूर्त
Application of the Bio-electric Law to Several Different Types of Mammalian Cell
Mark IM Ian Munro Noble
According to the bio-electric law, all living cells have a negative trans-membrane potential produced by mitochondrial generation of electrons, the mitochondria having an even more negative intra-organellar potential. A change in trans-membrane potential initiates functional activation. Neural dendrites, the sino-atrial and ventricular cells of the heart, the vascular smooth muscle cell, the vascular endothelial cell, red blood cells, leukocytes, platelets, liver cells, adipocytes, brown fat cells and retinal cells have been studied. There are at least 3 types of electron movement. Complete depolarization and repolarization occurs in nerve, skeletal muscle and heart, whereas variable changes in trans-membrane potential occur in vascular smooth muscle cells and non-contracting cells. The retinal cell is unique in that activation is associated with hyperpolarization. It is concluded that study of electron movements within living cells requires much further attention in physiological research.