- Branche: Library & information science
- Number of terms: 152252
- Number of blossaries: 0
- Company Profile:
The National Library of Medicine (NLM), on the campus of the National Institutes of Health in Bethesda, Maryland, is the world's largest medical library. The Library collects materials and provides information and research services in all areas of biomedicine and health care.
Number of occurrences of illness commencing, or of persons falling ill, during a given period in a specific population: usually expressed as a rate.
Note: When expressed as a rate, it is the number of ill persons divided by the average number of persons in the specified population during a defined period, or alternatively divided by the estimated number of persons at the mid-point of that period.
Industry:Biology; Chemistry
Obsolete for octan-1-ol-water partition coefficient
Industry:Biology; Chemistry
Occurrence of extra copies of a gene; with respect to a plasmid, an increase in the number of plasmid copies per cell, which may be induced by a specific treatment.
Note: Spontaneous gene amplification frequently occurs in tumor cells.
Industry:Biology; Chemistry
Occurring in severe or sudden spasms, as in convulsion or epilepsy.
Industry:Biology; Chemistry
Of a membrane, allowing a given substance to pass through.
Note: When applied to nonbiological membranes with no qualification, the term normally refers to water.
Industry:Biology; Chemistry
Of a membrane, not allowing a given substance to pass through. When applied to nonbiological membranes with no qualification, the term normally refers to water.
Industry:Biology; Chemistry
Of, relating to, or affecting the parasympathetic nervous system which stimulates digestive secretions, slows the heart, constricts the pupils of the eyes, and dilates blood vessels
Industry:Biology; Chemistry
Organelle, similar to a lysosome, characterized by its content of catalase, peroxidase and other oxidative enzymes.
Industry:Biology; Chemistry
Organic chemical that is stable in the environment, is liable to long-range transport, may bio-accumulate in human and animal tissue, and may have significant impacts on human health and the environment.
Examples: dioxin, PCBs, DDT, tributyltin oxide (TBTO).
Note: The Stockholm Convention on Persistent Organic Pollutants was adopted at a Conference of Plenipotentiaries held from 22 to 23 May 2001 in Stockholm, Sweden; by signing this convention, governments have agreed to take measures to eliminate or reduce the release of POPs into the environment.
Industry:Biology; Chemistry
Organism affected by a pesticide although not the intended object of its use.
Industry:Biology; Chemistry
