RECOMBIVAX-HB
A vaccine against hepatitis B (hep B) to stimulate the body’s immune system to produce antibodies against the hep B virus.
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- Recommended Dietary Allowance
The RDA, the estimated amount of a nutrient (or calories) per day considered necessary for the maintenance of good health by the Food and Nutrition Board of the National Research Council/ National Academy of Sciences. The RDA is updated periodically to reflect new knowledge. It is popularly called the Recommended Daily Allowance.
- Recrudescence
Reappearance, as of a rash or arthritis.
- Rectal (adjective)
Having to do with the rectum, the last 6 to 8 inches of the large intestine that serves to store solid waste until it leaves the body through the anus. The word “rectal” comes from the Latin “rectus” meaning “straight” (which the human rectum is not).
- Rectal (noun)
An informal term for a digital rectal exam (DRE) done to detect abnormalities that can be felt (palpated) from within the rectum. The doctor inserts a lubricated, gloved finger into the rectum and feels for anything that is not normal. The digital rectal exam is an important screening test for the detection of tumors of […]
- Rectal bleeding
Anal fissure; Colon cancer; Crohn’s disease; Diverticulosis; Peptic ulcer; and Gastric cancer.