| FFC | fixed flexion contracture; fluorescence flow cytometry; free from chlorine |
|---|---|
| FI | fasciculus intrafascicularis; fever caused by infection; fibrinogen; fixed interval; flame ionizatio... |
| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
| FRCD | Fellow of the Royal College of Dentists; fixed ratio combination drug |
| VOO | ventricular asynchronous (competitive, fixed-rate) [pacemaker] |
| energy coupling | <chemistry> The tranfer of energy produced in one reaction to another. (09 Oct 1997) |
|---|---|
| excitation contraction coupling | <physiology> Name given to the chain of processes coupling excitation of a muscle by the arrival of a nervous impulse at the motor end plate to the contraction of the filaments of the sarcomere. The crucial link is the release of calcium from the sarcoplasmic reticulum and the analogy is often drawn between this and stimulus secretion coupling, that also involves calcium release into the cytoplasm. (18 Nov 1997) |
| denture, partial, fixed | A partial denture attached to prepared natural teeth, roots, or implants by cementation. (12 Dec 1998) |
| denture, partial, fixed, resin-bonded | A commonly used prosthesis that results in a strong, permanent restoration. It consists of an electrolytically etched cast-metal retainer that is cemented (bonded), using resins, to adjacent teeth whose enamel was previously acid-treated (acid-etched). This type of bridgework is sometimes referred to as a maryland bridge. (12 Dec 1998) |
| fixed | 1. Securely placed or fastened; settled; established; firm; imovable; unalterable. 2. <chemistry> Stable; non-volatile. <chemistry> Fixed air, the fixed point about which any line of troops wheels. <astronomy> Fixed stars, such stars as always retain nearly the same apparent position and distance with respect to each other, thus distinguished from planets and comets. Source: Websters Dictionary (01 Mar 1998) |
| fixed alkali | Any alkali other than a weakly ionised one, like ammonia. (05 Mar 2000) |
| fixed alkaloid | A nonvolatile alkaloid. (05 Mar 2000) |
| fixed appliance | <dentistry> Any orthodontic component that is cemented or bonded to the teeth. (08 Jan 1998) |
| fixed bridge | A restoration of one or more missing teeth which cannot be readily removed by the patient or dentist; it is permanently attached to natural teeth or roots which furnish the primary support to the appliance. Synonym: bridge. (05 Mar 2000) |
| fixed contracture | Contracture, usually due to fibrosis within the muscle that persists whether the subject is conscious or unconscious. Synonym: fixed contracture. (05 Mar 2000) |
| fixed dressing | A dressing stiffened with a substance that produces immobilization when it dries. (05 Mar 2000) |
| fixed drug eruption | A type of drug eruption that recurs at a fixed site (or sites) following the administration of a particular drug; the lesions usually consist of intensely erythematous and purplish, sharply demarcated macules, and occasionally of herpetic vesicles; the affected areas undergo gradual involution, but flare and enlarge on readministration of the offending drug and may become hyperpigmented. Iodine eruption, an acneform or follicular eruption or granulomatous lesion caused by a reaction to systemic iodine or iodide administration. Kaposi's varicelliform eruption, a now rare complication of vaccinia superimposed on atopic dermatitis, with generalised vesicles and vesicopapules and high fever. Synonym: eczema vaccinatum. (05 Mar 2000) |
| fixed idea | An exaggerated notion, belief, or delusion that persists, despite evidence to the contrary, and controls the mind, the obstinate conviction of a psychotic person regarding the correctness of his delusion. Synonym: idee fixe, overvalued idea, permanent dominant idea. (05 Mar 2000) |
| fixed macrophage | A relatively immotile macrophage found in connective tissue, lymph nodes, spleen, and bone marrow. Synonym: resting wandering cell. (05 Mar 2000) |
| fixed oil | An oil derived from both animals and plants; chemically, a glyceride of a fatty acid which, by substitution of the glycerine by an alkaline base, is converted into a soap; a fatty oil, in contrast to a volatile oil, is permanent, leaving a stain on an absorbent surface, and thus is not capable of distillation; it is obtained by expression or extraction; the consistency varies with the temperature, some being liquid (o.'s proper), others semisolid (fats), and others solid (tallows) at ordinary temperatures; both liquid and semisolid oil's are congealed by cold and the solids are liquified by heat. Synonym: fixed oil. (05 Mar 2000) |