National Library of Medicine (NLM)
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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- National Research Council
In the United States, a part of the National Academies. There are also National Research Councils in Canada, the UK, and other countries.
- Natriuresis
The excretion of an excessively large amount of sodium in the urine. Natriuresis is similar to diuresis (the excretion of an unusually large quantity of urine), except that in natriuresis the urine is exceptionally salty. Natriuresis occurs with some diuretics and diseases (as of the adrenal) and can lead to the salt-losing syndrome characterized by […]
- Natriuretic
Causing natriuresis, the excretion of an excessively large amount of sodium in the urine. A hybrid of the Latin natrium = sodium and the Greek ouresis = a making water.
- Natriuretic peptide
A-type natriuretic peptide is secreted largely by the atrial myocardium in response to dilatation. B-type natriuretic peptide is manufactured mainly by the ventricular myocardium. C-type natriuretic peptide is produced by endothelial cells that line the blood vessels. B-type natriuretic peptide is useful in the diagnosis of heart failure. The finding of a low level of […]