English dictionary of medical terms (74)
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- No:1460 - pyrogenic
(pyro- + Gr. gennan to produce) inducing fever.
- No:1461 - pyrosis
(Gr. pyrosis burning) heartburn.
- No:1462 - QRS complex
usually cap Q & R & S : the deflections in an electrocardiographic
tracing and represent ventricular activity of the hearth.
- No:1463 - interval
(inter- + L. vallum rampart) the space between two objects or
parts; the lapse of time between two recurrences or paroxysms.
- No:1464 - qualitative, qualitive
(L. qualitativus) pertaining to quality.
- No:1465 - quantitative
(L. quantitativus) denoting or expressible as quantity; relating to
the proportionate quantities or to the amount of the constituents
of a compound.
- No:1466 - quaternary
(L. quaternarius, from quattuor four) 1. fourth in order. 2.
containing four elements or groups.
- No:1467 - quiescent
(L. quiescent pres. part. of quiescere, to be silent) marked by a
state of inactivity or repose.
- No:1468 - radioactivity
the quality of emitting or the emission of corpuscular or
electromagnetic radiations consequent to nuclear disintegration, a
natural property of all chemical elements of atomic number above
83, and possible of induction in all other known elements.
- No:1469 - radiography
(radio- + Gr. graphein to write) the making of film records
(radiographs) of internal structures of the body by passage of x-rays or gamma rays through
the body to act on specially sensitized
- No:1470 - radiologic, radiological
- pertaining to radiology.
- No:1471 - radiotherapy
(radio- + Gr. therapeia cure) the treatment of disease by ionizing
- No:1472 - raucousness
(L. raucus hoarse) the quality or state of being raucous.
- No:1473 - Raynaud's phenomenon
(Maurice Raynaud, French physician, 1834-1881) intermittent
bilateral attacks of ischemia of the fingers or toes and sometimes
of the ears or nose, marked by severe pallor, and often accompanied
by paraesthesia and pain; it is brought on characteristically by
cold or emotional stimuli and relieved by heat, and is due to an
underlying disease or anatomical abnormality. When the condition is
idiopathic or primary it is termed Raynaud's disease.
- No:1474 - reabsorption
1. the act or process of absorbing again, as the selective
absorption by the kidneys of substances (glucose, proteins, sodium,
etc.) already secreted into the renal tubules, and their return to
the circulating blood. 2. resorption.
- No:1475 - reaction
(re- + L. agere to act) 1. the phenomena caused by the action of
chemical agents; a chemical process in which one substance is
transformed into another substance or substances. 2. in
psychology, the mental and/or emotional state elicited in response
to any particular situation.
- No:1476 - reactivation
the restoration of activity to something that has been inactivated.
- No:1477 - reactivity
the process or property of reacting.
- No:1478 - reagent
(re- + L. agere to act) a substance employed to produce a chemical
reaction so as to detect, measure, produce, etc., other substances.
- No:1479 - rebound effect
the characteristic of a drug to produce reverse effects when either
the effect of the drug has passed, or when the patient no longer
responds to the drug.
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