| refractor | <optics> Anything that refracts; specifically: A refracting telescope, in which the image to be viewed is formed by the refraction of light in passing through a convex lens. Source: Websters Dictionary (01 Mar 1998) |
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| refractory | Not readily yielding to treatment. Origin: L. Refractorius (18 Nov 1997) |
| refractory anaemia | <haematology> A form of myelodysplasia which primarily affects the red cell production by the bone marrow. In some cases the developing red cells show an internal ring of iron granules. These cells are called sideroblasts. Refractory anaemia and refractory anaemia with sideroblasts are the most common forms of myelodysplasia. Origin: Gr. Haima = blood (13 Nov 1997) |
| refractory anaemia with excess blasts | <haematology> A form of myelodysplasia characterised by the build up of immature white blood cells (blasts) in the bone marrow. If the immature cells are particularly numerous it may indicate a chance of transformation to acute leukaemia and the condition is called refractory anaemia with excess blasts in transformation (RAEBt). Acronym: RAEB (13 Nov 1997) |
| refractory cast | A cast made of material that will withstand the high temperatures of metal casting or soldering without disintegrating. Synonym: investment cast. (05 Mar 2000) |
| refractory flask | A metal tube in which a refractory mold is made for casting metal dental restorations or appliances. Synonym: casting flask, casting ring. (05 Mar 2000) |
| refractory lining | A lining, usually of ceramic, capable of resisting and maintaining high temperatures. (05 Dec 1998) |
| refractory period | <neurology, physiology> most commonly used in reference to the interval (typically 1ms) after the passage of an action potential during which an axon is incapable of responding to another. This is caused by inactivation of the sodium channels after opening. The maximum frequency at which neurons can fire is thus limited to a few hundred Hertz. An analogous refractory period occurs in individuals of Dictyostelium discoideum, which are insensitive to extracellular cyclic AMP immediately after a pulse of cAMP has been secreted. The term can be applied to any system where a similar insensitive period follows stimulation. (18 Nov 1997) |
| refractory period of electronic pacemaker | The time required to restore full sensitivity after detecting cardiac activity or delivering a pacing impulse. (05 Mar 2000) |
| refractory period, psychological | A delayed response interval occurring when two stimuli are presented in close succession. (12 Dec 1998) |
| refractory rickets | Rickets that does not respond to treatment with usual doses of vitamin D and adequate dietary calcium and phosphorus. Most often due to inherited renal tubular disorder e.g., Fanconi syndrome. Renal rickets, a form of rickets occurring in children in association with and apparently caused by renal disease with hyperphosphatemia. Synonym: pseudorickets, renal fibrocystic osteosis, renal infantilism, renal osteitis fibrosa. (05 Mar 2000) |
| refractory state | Subnormal excitability immediately following a response to previous excitation; the state is divided into absolute and relative phases. (05 Mar 2000) |
Synonyms : Inhibition, Vvedenskii, Inhibition, Wedensky, Neurologic Refractory Period, Neurologic Refractory Periods, Refractory Period, Neurological, Refractory Periods, Neurologic, Electrophysiological Refractory Period, Electrophysiological Refractory Periods
Synonyms : Period, Psychological Refractory, Periods, Psychological Refractory, Psychological Refractory Period, Psychological Refractory Periods, Refractory Period, Psychologic, Refractory Periods, Psychological, Period, Psychologic Refractory
| refractory anemia |
any of various anemic conditions that are not successfully treated by any means other than blood transfusions (and that are not associated with another primary disease)
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| refractory period |
(neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response
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| refractory |
not responding to treatment; "a stubborn infection"; "a refractory case of acne"; "stubborn rust stains" temporarily unresponsive or not fully responsive to nervous or sexual stimuli; "the refractory period of a muscle fiber" furnace lining: lining consisting of material with a high melting point; used to line the inside walls of a furnace fractious: stubbornly resistant to authority or control; "a fractious animal that would not submit to the harness"; "a refractory child"
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| refractory |
(re
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| refractor | the trait of being unmanageable |
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| refractor | lining consisting of material with a high melting point |
| refractor | resistant to authority or control |
| refractor | stubbornly resistant to authority or control |
| refractor | marked by stubborn resistance to and defiant of authority or guidance |
| refractor | (medicine) not responding to treatment |
| refractor | any of various anemic conditions that are not successfully treated by any means other than blood transfusions (and that are not associated with another primary disease) |
| refractor | any of various anemic conditions that are not successfully treated by any means other than blood transfusions (and that are not associated with another primary disease) |
| refractor | (neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response |
| refractor | small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead |
| refractor | (of furnaces) lined with material that has a high melting point |
제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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