| van der Waals' forces | First postulated by van der Waals in 1873 to explain deviations from ideal gas behaviour seen in real gases; the attractive force's between atoms or molecules other than electrostatic (ionic), covalent (sharing of electrons), or hydrogen bonding (sharing a proton); generally ascribed to dipolar and dispersion effects, π-electrons, etc.; these relatively nondescript force's contribute to the mutual attraction of organic molecules. Synonym: London forces. (05 Mar 2000) |
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| reciprocal forces | In dentistry, force's whereby the resistance of one or more teeth is utilised to move one or more opposing teeth. (05 Mar 2000) |
| london dispersion forces | <chemistry> The forces that exist in nonpolar molecules that involve an accidental dipole that induces a momentary dipole in a neighbor. (09 Jan 1998) |
| London forces | First postulated by van der Waals in 1873 to explain deviations from ideal gas behaviour seen in real gases; the attractive force's between atoms or molecules other than electrostatic (ionic), covalent (sharing of electrons), or hydrogen bonding (sharing a proton); generally ascribed to dipolar and dispersion effects, π-electrons, etc.; these relatively nondescript force's contribute to the mutual attraction of organic molecules. Synonym: London forces. (05 Mar 2000) |
| armed macrophage | A mature macrophage, in an active metabolic state, that is cytotoxic to tumour/target cells, usually following exposure to certain cytokines. Synonym: armed macrophage. (05 Mar 2000) |
| armed rostellum | Rostellum with one or more rows of hooks. (05 Mar 2000) |
| armed tapeworm | The pork tapeworm (Taenia solium). Contracted from undercooked or measly pork (pork infected with the larval forms of the tapeworm). Can grow to be 3-6 feet (0.9-1.8 m) long in the human intestine. Also known as the measly tapeworm. (12 Dec 1998) |
| doubly armed suture | A suture with a needle attached at both ends. Synonym: cobbler's suture. (05 Mar 2000) |
| tapeworm, armed | See Taenia solium. (12 Dec 1998) |
| American Law Institute formulation | Used in certain jurisdictions to determine criminal responsibility in legal proceedings. See: criminal insanity. (05 Mar 2000) |
| American Law Institute rule | A test of criminal responsibility (1962): "a person is not responsible for criminal conduct if at the time of such conduct as a result of mental disease or defect he lacks substantial capacity either to appreciate the wrongfulness of his conduct or to conform his conduct to the requirements of law." (05 Mar 2000) |
| national institute for occupational safety and health | An institute of the centres for disease control and prevention which is responsible for assuring safe and healthful working conditions and for developing standards of safety and health. Research activities are carried out pertinent to these goals. (12 Dec 1998) |
| national institute of mental health | A component of the national institutes of health concerned with research, overall planning, promoting, and administering mental health programs and research. (12 Dec 1998) |
| institute | 1. The act of instituting; institution. "Water sanctified by Christ's institute." 2. That which is instituted, established, or fixed, as a law, habit, or custom. 3. Hence: An elementary and necessary principle; a precept, maxim, or rule, recognised as established and authoritative; usually in the plural, a collection of such principles and precepts; especially, a comprehensive summary of legal principles and decisions; as, the Institutes of Justinian; Coke's Institutes of the Laws of England. Cf. Digest, "They made a sort of institute and digest of anarchy." (Burke) "To make the Stoics' institutes thy own." (Dryden) 4. An institution; a society established for the promotion of learning, art, science, etc.; a college; as, the Institute of Technology; also, a building owned or occupied by such an institute; as, the Cooper Institute. 5. The person to whom an estate is first given by destination or limitation. Institutes of medicine, theoretical medicine; that department of medical science which attempts to account philosophically for the various phenomena of health as well as of disease; physiology applied to the practice of medicine. Origin: L. Institutum: cf. F. Institut. See Institute, &. Source: Websters Dictionary (01 Mar 1998) |
| institute of medicine | Identifies, for study and analysis, important issues and problems that relate to health and medicine. The institute initiates and conducts studies of national policy and planning for health care and health-related education and research; it also responds to requests from the federal government and other agencies for studies and advice. (12 Dec 1998) |