Letter: r

Respiratory Quotient

Respiratory Syncytial Virus

An elastic substance obtained from the latex of many tropical plants, especially Hevea braziliensis (rubber tree). It is present in over 40,000 products in the medical and consumer industry. The processing of hard rubber products from crumb or sheet rubber for drug vials caps, table leg cover, etc. is much lower in allergen content than those made by dipping a former into liquid natural rubber latex. SEE latex.

Anatomical folds especially of the viscera.

Residual Volume

Resting Metabolic Rate

A potentially fatal disease that causes numerous detrimental effects to many organs, especially the brain and liver, as well as causing hypoglycemia. It has been associated with aspirin consumption by children with viral illness (especially with fever), but can also occur in the absence of aspirin use.

An enzyme that breaks down RNA. Present on standard gloves, additional processing is required for its removal. It is ubiquitous and thus more difficult to avoid. Real problem in molecular biology, forensic and RNA research labs.

Radiofrequency mode-of-treatment

Radiofrequency Annuloplasty