| HCG, hCG | Human Chorionic Gonadotropin; »ç¶÷À¶¸ð¼º¼º¼±ÀÚ±ØÈ£¸£¸ó 1. Placental Glycoprotein Hormone &nbs... |
|---|---|
| kappa | a light chain of human immunoglobulins [chain] |
| LC | Laennec cirrhosis; Langerhans cell; late clamped; large chromophobe; lecithin cholesterol acyltransf... |
| VH | variable domain of heavy chain; variable heavy chain |
| VL | variable domain of the light chain; variable light chain |
| BBTD | Baby Bottle Tooth Decay |
|---|---|
| DAF, CD55 | Decay Accelerating Factor |
| DAF | Decay accelerating factor |
| DAS | Decay associated spectra |
| FID | Free Induction Decay |
| chain, orthodontic chain | <dentistry> A stretchable plastic chain used to hold archwires into brackets and to moke teeth. (08 Jan 1998) |
|---|---|
| radioactive decay | <physics> The process by which a spontaneous change in nuclear state takes place. This process is accompanied by the emission of energy in various specific combinations of electromagnetic and corpuscular radiation and neutrinos. (16 Dec 1997) |
| decay | To pass gradually from a sound, prosperous, or perfect state, to one of imperfection, adversity, or dissolution; to waste away; to decline; to fail; to become weak, corrupt, or disintegrated; to rot; to perish; as, a tree decays; fortunes decay; hopes decay. "Ill fares the land, to hastening ills a prey, Where wealth accumulates and men decay." (Goldsmith) Origin: OF. Decaeir, dechaer, decheoir, F. Dechoir, to decline, fall, become less; L. De- + cadere to fall. See Chance. 1. Gradual failure of health, strength, soundness, prosperity, or of any species of excellence or perfection; tendency toward dissolution or extinction; corruption; rottenness; decline; deterioration; as, the decay of the body; the decay of virtue; the decay of the Roman empire; a castle in decay. "Perhaps my God, though he be far before, May turn, and take me by the hand, and more - May strengthen my decays." (Herbert) "His [Johnson's] failure was not to be ascribed to intellectual decay." (Macaulay) "Which has caused the decay of the consonants to follow somewhat different laws." (James Byrne) 2. Destruction; death. 3. Cause of decay. "He that plots to be the only figure among ciphers, is the decay of the whole age." (Bacon) Synonym: Decline, consumption. See Decline. Source: Websters Dictionary (01 Mar 1998) |
| decay accelerating factor | <biochemistry, protein> Plasma protein that regulates complement cascade by blocking the formation of the C3bBb complex (the C3 convertase of the alternate pathway). Widely distributed in tissues but deficient in paroxysmal nocturnal haemoglobinuria. (18 Nov 1997) |
| decay constant | <physics, radiobiology> The fraction of the amount of a radionuclide that undergoes transition per unit time. Formally: Lamda=dP/dt Where dP is the probability of a given nucleus undergoing spontaneous nuclear transition in the time interval dt. (16 Dec 1997) |
| decay modes | <radiobiology> Different pathways for decay of radioactive nuclei. The decay modes for a given unstable state can include beta emission (negative = electron, positive = positron), electron capture, alpha emission, fission, and gamma emission. (13 Nov 1997) |
| decay theory | A theory of forgetting based on the premise that an engram or memory trace dissipates progressively with time during the interval when it is not activated. (05 Mar 2000) |
| tone decay test | The sounding of a continuous tone at threshold for 1 min; if the intensity must be increased by more than 5 dB for continued perception, it may be a sign of retrocochlear damage. (05 Mar 2000) |
| exponential decay | <epidemiology> A decline in which the rate of decay is always proportional to the amount of material remaining; the constant of proportionality is the rate constant. (05 Dec 1998) |
| free induction decay | In magnetic resonance imaging, the decay curve that is detected by the radiofrequency coil after the application of an excitation pulse, without additional pulses (free). (05 Mar 2000) |
| A chain | A polypeptide component of insulin containing 21 amino acyl residues, beginning with a glycyl residue (NH2-terminus); insulin is formed by the linkage of an A chain to a B chain by two disulfide bonds; the amino-acid composition of the A chain is a function of species. Synonym: glycyl chain. In general, one of the polypeptides in a multiprotein complex. (05 Mar 2000) |
| alpha chain disease | A vague or indefinite term; could be used for alpha-heavy-chain disease (a lymphoplasma cell proliferative disease usually seen in Mediterranean men, characterised by intestinal involvement with steatorrhoea, often progressive with fatal outcome) or a thalassaemia (a genetic abnormality in the alpha globin chain of haemoglobin). (05 Mar 2000) |
| amino acids, branched-chain | Amino acids which have a branched carbon chain. (12 Dec 1998) |
| B chain | A polypeptide component of insulin containing 30 amino acyl residues, beginning with a phenylalanyl residue (NH2-terminus); insulin is formed by the linkage of a B chain to an A chain by two disulfide bonds; the amino-acid composition of the B chain is a function of species. Synonym: phenylalanyl chain. (05 Mar 2000) |
| behaviour chain | Related behaviours in a series in which each response serves as a stimulus for the next response. (05 Mar 2000) |
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