NLM (National Library of Medicine)
The world’s largest medical library, the U.S. National Library of Medicine (NLM) is part of the National Institutes of Health (NIH). The NLM has as its mission to collect, organize, and make available biomedical science information to investigators, educators, and practitioners and carry out programs designed to strengthen medical library services in the United States. Its electronic data bases, including MEDLINE, are used extensively throughout the world.
The NLM is situated on the NIH campus in Bethesda, Maryland. The Library collects materials in all areas of biomedicine and health care, as well as works on biomedical aspects of technology, the humanities, and the physical, life, and social sciences. The NLM collections stand at 5.3 million items–books, journals, technical reports, manuscripts, microfilms, photographs and images. Housed within the Library are medical history collections of old and rare medical texts, manuscripts, and incunabula. NLM is an invaluable resource for all U.S. health science libraries and for medicine.
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Nuclear magnetic resonance, an imaging technique that does not use radiation, but instead employs large magnetic forces to produce detailed images of body tissues.
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Term used in the US for a patient who missed an appointment. (In the UK, a patient who failed an appointment “did not attend.” This is abbreviated DNA, not to be confused with the genetic material.)
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Also called nocardiosis, infection with bacteria called Nocardia which tend to strike the lungs, brain and skin, particularly in people with an impaired immune system. The majority (about 80%) of cases of nocardiosis involves lung infection, brain abscess, or disseminated (widespread) disease from Nocardia. The remaining 20% of cases are localized to the skin and […]
- Nocardiosis
Infection with Nocardia, filamentous bacteria found in soil worldwide. Infection tends to strike the lungs, brain, and skin, particularly in people with an impaired immune system. The inhalation of Nocardia spores usually initiates nocardiosis in the lung. The skin form of nocardiosis is contracted through soil contamination of wounds. There is no evidence for person-to- […]
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A negative placebo effect as, for example, when patients taking medications experience adverse side effects unrelated to the specific pharmacological action of the drug. The nocebo effect is associated with the person’s prior expectations of adverse effects from treatment as well as with conditioning in which the person learns from prior experiences to associate a […]