| liquid human serum | The pool of fluids separated from blood withdrawn from human subjects and allowed to clot in the absence of any anticoagulant; not more than 10 separate donations are pooled; the contributions from donors of A, O, and either B or AB groups are represented in approximately the ratio 9:9:2. (05 Mar 2000) |
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| liquid hydrocarbon | One of a very large group of chemical compounds composed only of carbon and hydrogen. The largest source of hydrocarbons is petroleum. (05 Dec 1998) |
| liquid metal | <radiobiology> Metal which has been heated past its melting point and can be used as a working fluid for pumping heat out from a powerplant. Liquid metal used as coolant in a system where significant magnetic fields exist, it behaves differently due to magnetohydrodynamic effects, these cause pressure which resists fluid circulation, suppression of turbulence, and altered flow patterns compared to non-magnetic liquid metal systems. (09 Oct 1997) |
| liquid-metal fast-breeder reactor | <physics> Fission breeder reactor concept using liquid-metal coolant and breeding additional fuel off fast neutrons. See: breeder reactor. (09 Oct 1997) |
| liquid paraffin | <chemical> A mixture of liquid hydrocarbons obtained from petroleum. It is used as laxative, lubricant, ointment base, and emollient. Pharmacological action: cathartic, emollients, ointment bases. Chemical name: Hydrocarbon oils (12 Dec 1998) |
| liquid petroleum | <chemical> A mixture of liquid hydrocarbons obtained from petroleum. It is used as laxative, lubricant, ointment base, and emollient. Pharmacological action: cathartic, emollients, ointment bases. Chemical name: Hydrocarbon oils (12 Dec 1998) |
| liquid pitch | Obtained by the destructive distillation of the wood of Pinus palustris and other species of Pinus; used internally as an expectorant, and externally in the treatment of skin diseases. Synonym: liquid pitch. (05 Mar 2000) |
| abortion, therapeutic | Abortion induced to save the life or health of a pregnant woman. (12 Dec 1998) |
| chemoembolization, therapeutic | Administration of antineoplastic agent together with an embolizing vehicle. This allows slow release of the agent as well as obstruction of the blood supply to the neoplasm. (12 Dec 1998) |
| therapeutic | 1. Pertaining to therapeutics or to the art of healing. 2. <pharmacology> Compounds that are used to treat specific diseases or medical conditions. 3. Curative. Origin: Gr. Therapeutikos = inclined to serve (13 Nov 1997) |
| therapeutic abortion | An abortion induced because of the mother's physical or mental health, or to prevent birth of a deformed child or a child resulting from rape. (05 Mar 2000) |
| therapeutic anaesthesia | Administration of an anaesthetic as a means of treatment. (05 Mar 2000) |
| therapeutic angiography | Use of angiographic catheters that have been modified to reduce or increase regional blood flow, or to deliver medicinal agents; interventional therapeutic angiography. See: angioplasty, balloon catheter, interventional angiography. (05 Mar 2000) |
| therapeutic community | Psychotherapeutic technique which emphasizes socioenvironmental and interpersonal influences in the resocialization and rehabilitation of the patient. The setting is usually a hospital unit or ward in which professional and nonprofessional staff interact with the patients. (12 Dec 1998) |
| therapeutic crisis | A turning point leading to positive or negative change in psychiatric treatment. (05 Mar 2000) |