| afteraction |
Continued reaction for some time after the stimulus ceases, esp. in nerve centers. In the sensory centers this action gives rise to aftersensations.
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| afterdepolarization |
Abnormal electrical activity that occurs during repolarization of the pacemaker cells of the heart. This activity may prolong the action potential and trigger abnormal atrial or ventricular rhythms.
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| afterhearing |
Perception of sound after the stimulus producing it has ceased to act.
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| afterloading |
In brachytherapy, the insertion of the radioactive source after the placement of the applicator has been confirmed.
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| afterpotential wave |
The wave produced after the action potential wave passes along a nerve. On the recording of the electrical activity, it will be either a negative or positive wave smaller than the main spike.
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