Category: R
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Rate-determining step
The chemical reaction in a series of sequential reactions that takes the longest to occur.
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Rest station
A temporary relief station for the sick on a military road or railway.
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Reasonable physician standard
In the giving of informed consent, the amount of information that a typical physician would provide to patients before asking that they decide to pursue or reject a treatment.
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Reasonable patient standard
In the giving of informed consent, the amount of information that a rational patient would want before making a choice to pursue or reject a treatment or procedure.
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Resting stage
Term sometimes used for a cell that is between mitotic divisions. It is not accurate because the cell is metabolically active and is producing a new set of chromosomes for the next division.
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Retention of staff
Keeping employees on a stable roster without losses due to attrition, firing, or layoffs.
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Rusty sputum
Blood-tinged purulent sputum sometimes seen in patients with pneumococcal pneumonia.
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Root canal spreader
In dentistry, an instrument that is pointed and of variable diameter and taper. It is used to apply force to the material used in filling a root canal.
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Rose spot
Rose-colored maculae occurring on the abdomen or loins in typhoid fever.
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Rhizomelic spondylosis
Ankylosis interfering with movements of the hips and shoulders.