| information centres | Facilities for collecting and organizing information. They may be specialised by subject field, type of source material, persons served, location, or type of services. (12 Dec 1998) |
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| information management | Management of the acquisition, organization, storage, retrieval, and dissemination of information. (12 Dec 1998) |
| information science | The field of knowledge, theory, and technology dealing with the collection of facts and figures, and the processes and methods involved in their manipulation, storage, dissemination, publication, and retrieval. It includes the fields of communication, publishing, library science and informatics. (12 Dec 1998) |
| information services | Organised services to provide information on any questions an individual might have using databases and other sources. (12 Dec 1998) |
| information storage and retrieval | A branch of computer or library science relating to the storage, locating, searching, and selecting, upon demand, relevant data on a given subject. (12 Dec 1998) |
| information system | Combination of vital and health statistical data from multiple sources, used to derive information and make decisions about the health needs, health resources, costs, use, and outcome of health care. (05 Mar 2000) |
| information theory | An interdisciplinary study dealing with the transmission of messages or signals, or the communication of information. Information theory does not directly deal with meaning or content, but with physical representations that have meaning or content. It overlaps considerably with communication theory and cybernetics. (12 Dec 1998) |
| antigen processing | Modification of an antigen by accessory cells. This usually involves endocytosis of the antigen and either minimal cleavage or unfolding. The processed antigen is then presented in modified form by the accessory cell. (18 Nov 1997) |
| automatic data processing | Data processing largely performed by automatic means. (12 Dec 1998) |
| batch processing | <technique> Growth in a closed system with a specific amount of nutrient medium. In bioprocessing, defined amounts of nutrient material and living matter are placed in a bioreactor and removed when the process is completed. (14 Nov 1997) |
| calcium-independent processing protease | <enzyme> Converts hiv-1 gp160 precursor to gp120 and gp41 Registry number: EC 3.4.- Synonym: viral envelope glycoprotein maturase, vem enzyme (26 Jun 1999) |
| matrix processing peptidase | <enzyme> From matrix fraction of rat liver mitochondria; cleaves mitochondrial protein precursors; inhibited by metal chelators and reactived by mn2+; classified as EC 3.4.24.64 Registry number: EC 3.4.24.- Synonym: mitochondrial processing peptidase, mitochondrial processing protease, alpha-mpp, beta-mpp, p-52 protein, rat, p-55 protein, rat, mas1 protein, yeast, mas2 protein, yeast (26 Jun 1999) |
| gp160 processing protease | <enzyme> Converts hiv gp160 to gp120 and gp41, cleaving between arg511 and ala512 Registry number: EC 3.4.99.- (26 Jun 1999) |
| RNA processing | <molecular biology> Modifications of primary RNA trancripts including splicing, cleavage, base modification, capping and the addition of poly A tails. See: RNA editing. (23 Aug 1998) |
| RNA processing, post-transcriptional | Post-transcriptional biological modification of messenger, transfer, or ribosomal rnas or their precursors. It includes cleavage, methylation, thiolation, isopentenylation, pseudouridine formation, conformational changes, and association with ribosomal protein. (12 Dec 1998) |