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When the kinetics layer is added, [18] it discloses the time of the pause, and the translation takes place. [9] Ribosome profiling is however still in early stages and has biases that need to be explored further. [19] Ribosome profiling allows for translation to be measured more accurately and precisely.
A labeled diagram of an action potential.As seen above, repolarization takes place just after the peak of the action potential, when K + ions rush out of the cell.. In neuroscience, repolarization refers to the change in membrane potential that returns it to a negative value just after the depolarization phase of an action potential which has changed the membrane potential to a positive value.
Torsades de pointes, torsade de pointes or torsades des pointes (TdP; also called torsades) (/ t ɔːr ˌ s ɑː d d ə ˈ p w æ̃ t /, [2] French: [tɔʁsad də pwɛ̃t̪], translated as "twisting of peaks") is a specific type of abnormal heart rhythm that can lead to sudden cardiac death.
In physiology, [B: 2] a refractory period is a period of time during which an organ or cell is incapable of repeating a particular action, or (more precisely) the amount of time it takes for an excitable membrane to be ready for a second stimulus once it returns to its resting state following an excitation. It most commonly refers to ...
If you use a translated edition of a book, make sure to adjust the page numbers to those in the translation. Partial translation: If portions of an article appear to be low-quality or unverifiable, use your judgment and do not translate those portions. Once you have finished translating, you may ask a proofreader to check the translation.
Repolarization of the ventricle happens in the opposite direction of depolarization and is negative current, signifying the relaxation of the cardiac muscle of the ventricles. But this negative flow causes a positive T wave; although the cell becomes more negatively charged, the net effect is in the positive direction, and the ECG reports this ...
K ir channels close upon depolarization, slowing membrane repolarization and helping maintain a more prolonged cardiac action potential. This type of inward-rectifier channel is distinct from delayed rectifier K + channels , which help repolarize nerve and muscle cells after action potentials ; and potassium leak channels , which provide much ...
Schematic of an electrophysiological recording of an action potential, showing the various phases that occur as the voltage wave passes a point on a cell membrane.The afterhyperpolarisation is one of the processes that contribute to the refractory period.