- Loosening, lengthening, or lessening of tension in a muscle.
- Loss of adequate muscle tone (pelvic relaxation episiotomy).
- In nuclear magnetic resonance, relaxation is the decay in magnetization of protons after the direction of the surrounding magnetic field is changed; the different rates of relaxation for individual nuclei and tissues are used to provide contrast in imaging.
[L. relaxatio (see relax)]
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Examples: glitazone, GI cocktail, etc.