Regulatory T cell
A T cell (T lymphocyte) that regulates the activity of another T cell, usually by suppressing its activity. This process can be beneficial or harmful. There are several different types of regulatory T cells.
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- Regurgitation
A backward flowing. For example, vomiting is a regurgitation of food from the stomach, and the sloshing of blood back into the heart when a heart valve is incompetent is a regurgitation of blood.
- Rehab
An abbreviation for rehabilitation.
- Rehabilitation
The process of helping a person who has suffered an illness or injury restore lost skills and so regain maximum self-sufficiency. For example, rehabilitation work after a stroke may help the patient walk and speak clearly again.
- Rehydrate
To restore lost water to the body tissues and fluids. Prompt rehydration is imperative whenever dehydration occurs, whether from diarrhea, exposure, lack of drinking water, or medication use. Rehydration can occur orally or via IV administration of fluids.
- Rehydration
The process of restoring lost water (dehydration) to the body tissues and fluids. Prompt rehydration is imperative whenever dehydration occurs, from diarrhea, exposure, lack of drinking water, or medication use. Rehydration can be by the oral route or by the intravenous administration of fluids.