| MF | magnetic field; meat free; medium frequency; megafarad; membrane filler; merthiolate-formaldehyde [s... |
|---|---|
| TR | recovery time; rectal temperature; repetition time; residual tuberculin; terminal repeat; tetrazoliu... |
| ELF | elective low forceps; extremely low frequency |
| LFD | lactose-free diet; large for date [fetus]; late fetal death; lateral facial dysplasia; least fatal d... |
| AF | abnormal frequency; acid-fast; adult female; afebrile; aflatoxin; albumin-free; albumose-free; aldeh... |
| therapeutic index | The ratio of LD50 to ED50, used in quantitative comparison of drugs. (05 Mar 2000) |
|---|---|
| therapeutic iridectomy | An iridectomy performed for the prevention or cure of disease, e.g., angle-closure glaucoma. (05 Mar 2000) |
| therapeutic malaria | Intentionally induced malaria, formerly used against neurosyphilis and certain other paralytic diseases; the mechanism is thought to be immunological, with Plasmodium antibodies cross-reacting against the spirochetes or other agents. (05 Mar 2000) |
| therapeutic pessimism | A disbelief in the curative virtues of remedies in general and especially of drugs. (05 Mar 2000) |
| therapeutic pneumothorax | Pneumothorax designed to create some pulmonary parenchymal collapse, diaphragmatic immobilization, or both. (05 Mar 2000) |
| therapeutic ratio | The ratio of the maximally tolerated dose of a drug to the minimal curative or effective dose; LD50 divided by ED50. (05 Mar 2000) |
| therapeutic touch | The placing of the hands of the healer upon the person to be cured. (12 Dec 1998) |
| therapeutic vaccine | An injected therapy consisting of synthetic HIV antigen (for example, gp160) that is administered to people who already have HIV It is supposed to heighten and broaden the immune response to HIV, helping to halt disease progression. (09 Oct 1997) |
| embolization, therapeutic | A method of haemostasis utilizing various agents such as gelfoam, silastic, metal, glass, or plastic pellets, autologous clot, fat, and muscle as emboli. It has been used in the treatment of spinal cord and cerebral arteriovenous malformations, renal arteriovenous fistulas, gastrointestinal bleeding, epistaxis, hypersplenism, certain highly vascular tumours, traumatic rupture of blood vessels, and control of operative haemorrhage. (12 Dec 1998) |
| bounce frequency | <physics> The average frequency of oscillation of a particle trapped in a magnetic mirror as it bounces back and forth between its turning points in regions of high magnetic field. (See also trapped particle, turning points, banana orbit). (09 Oct 1997) |
| radio frequency current drive | <radiobiology> Plasma waves in the radio-frequency range can be used to push plasma particles in such a way that current forms in the plasma, this is a method of non-inductive current drive which would allow for steady-state fusion reactors to operate. (09 Oct 1997) |
| radio frequency heating | <radiobiology> Process for heating the plasma by transferring energy to ions or electrons using waves generated by an external oscillator at an appropriate frequency. (This is similar to how a microwave oven heats food.) There are various types: See: ECRH, ICRH, and Lower Hybrid. (09 Oct 1997) |
| radio frequency or radiofrequency | <physics> Term used to describe electromagnetic radiation with frequencies less than infrared, but greater than audio frequencies, i.e., greater than about 15,000 Hz. Wavelengths are therefore less than about 20,000 km and greater than about 0.01 mm. (These numbers are not precise.) (09 Oct 1997) |
| gene frequency | The relative occurence (expressed as a percentage) of a gene in a given population. (09 Oct 1997) |
| recombination frequency | The frequency at which crossingover occurs between two chromosomal loci--the probability that twoloci will become unlinked during meiosis. (09 Oct 1997) |