The rhythmic expansion and contraction of the arteries as blood is pumped through them by the heart. The pulse can be felt at several parts of the body, as over the carotid and radial arteries.
A dose of a medication or other substance given over a short period of time, usually repetitively.
A brief sudden change in a normally constant quantity, such as an electric current or field.
Any of a series of intermittent occurrences characterized by a brief sudden change in a quantity.
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