Reservoir, Ommaya
A device that is implanted under the scalp to deliver anticancer drugs to the fluid surrounding the brain and spinal cord.
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- Resident
In medicine, a physician who has finished medical school and is receiving training in a specialized area, such as surgery, internal medicine, pathology, or radiology. Board certification in all medical and surgical specialties requires the satisfactory completion of a residency program and successful completion of a specialty board examination.
- Residual
Something left behind. With residual disease, the disease has not been eradicated.
- Resin, bile acid
QUESTRAN) and colestipol (COLESTID) are the two main bile acid resins currently available. These two drugs are available as powders or tablets. They are not absorbed from the gastrointestinal tract and decades of experience with the resins indicate that their long-term use is safe. Bile acid resin powders must be mixed with water or fruit […]
- Resistance
Opposition to something, or the ability to withstand something. For example, some forms of the staphylococcus bacterium are resistant to treatment with antibiotics.
- Resistance, antibiotic
The ability of bacteria and other microorganisms to resist the effects of an antibiotic to which they were once sensitive. Antibiotic resistance is a major concern of overuse of antibiotics. Also known as drug resistance.