| uncoformability | 1. The quality or state of being unconformable; unconformableness. 2. <geology> Want of parallelism between one series of strata and another, especially when due to a disturbance of the position of the earlier strata before the latter were deposited. Source: Websters Dictionary (01 Mar 1998) |
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| uncompensated acidosis | An acidosis in which the pH of body fluids is subnormal, because restoration of normal acid-base balance is not possible or has not yet been achieved. (05 Mar 2000) |
| uncompensated alkalosis | Alkalosis in which the pH of body fluids is elevated because of lack of the compensatory mechanisms of compensated alkalosis. (05 Mar 2000) |
| uncompensated care | Medical services for which no payment is received. Uncompensated care includes charity care and bad debts. (12 Dec 1998) |
| uncompetitive inhibition | An inhibitory effect on a metabolic function, such as an enzyme, not based on competition for the binding site of the naturally occurring substrate, but on a different effect on the molecule whose function is being inhibited. (05 Mar 2000) |
| uncomplemented | Not united with complement and therefore inactive. (05 Mar 2000) |
| unconditioned | 1. Not conditioned or subject to conditions; unconditional. 2. <psychology> Not subject to condition or limitations; infinite; absolute; hence, inconceivable; incogitable. <psychology> The unconditioned, all that which is inconceivable and beyond the realm of reason; whatever is inconceivable under logical forms or relations. Source: Websters Dictionary (01 Mar 1998) |
| unconditioned reflex | An instinctive reflex not dependent on previous learning or experience. (05 Mar 2000) |
| unconditioned response | A response, such as salivation, which is a part of the animal or human repertoire. Compare: conditioned response. (05 Mar 2000) |
| unconditioned stimulus | A stimulus that elicits an unconditioned response; e.g., food is an unconditioned stimulus for salivation, which in turn is an unconditioned response in a hungry animal. See: classical conditioning. (05 Mar 2000) |
| unconformable | 1. Not conformable; not agreeable; not conforming. "Moral evil is an action unconformable to it [the rule of our duty]" (I. Watts) 2. <geology> Not conformable; not lying in a parallel position; as, unconformable strata. Unconform"ableness, Unconform"ably. Source: Websters Dictionary (01 Mar 1998) |
| unconformity | 1. Want of conformity; incongruity; inconsistency. 2. <geology> Want of parallelism between strata in contact. With some authors unconformity is equivalent to unconformability; but it is often used more broadly, for example, to include the case when the parallelism of strata once conformable has been disturbed by faulting and the like. Source: Websters Dictionary (01 Mar 1998) |
| unconjugated benign bilirubinaemia | <gastroenterology> An inherited disorder that affects the way bilirubin in handled by the liver. Thought to be due to an inborn error of bilirubin metabolism. Symptoms include mild jaundice, weakness, fatigue, nausea and abdominal pain. Origin: Gr. Haima = blood (27 Sep 1997) |
| unconjugated bilirubin | <biochemistry> Free bilirubin that has not been attached to a glucuronide molecule. This results from the rapid breakdown of red blood cells. The haemoglobin molecule is normally converted to bilirubin. Greater than normal values of indirect bilirubin can be seen in erythroblastosis foetalis, haemolytic anaemia, sickle cell anaemia, transfusion reactions, pernicious anaemia and resolution of large haematomas. (27 Sep 1997) |
| unconscious | 1. Not conscious. 2. In psychoanalysis, the psychic structure comprising the drives and feelings of which one is unaware. Synonym: insensible. Collective unconscious, in Jungian psychology, the combined engrams or memory potentials inherited from an individual's phylogenetic past. (05 Mar 2000) |