| ICC | immunocompetent cells; immunocytochemistry; Indian childhood cirrhosis; intensive coronary care; int... |
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| SCO | sclerocystic ovary; somatic crossing-over; subcommissural organ |
| CFS | Conditioned fear stress |
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| DFS | Dental Fear Survey |
| fear | 1. A painful emotion or passion excited by the expectation of evil, or the apprehension of impending danger; apprehension; anxiety; solicitude; alarm; dread. The degrees of this passion, beginning with the most moderate, may be thus expressed, apprehension, fear, dread, fright, terror. "Fear is an uneasiness of the mind, upon the thought of future evil likely to befall us." (Locke) "Where no hope is left, is left no fear." (Milton) 2. Apprehension of incurring, or solicitude to avoid, God's wrath; the trembling and awful reverence felt toward the Supreme Belng. Respectful reverence for men of authority or worth. "I will put my fear in their hearts." (Jer. Xxxii. 40) "I will teach you the fear of the Lord." (Ps. Xxxiv. 11) "render therefore to all their dues; tribute to whom tribute is due . . . Fear to whom fear." (Rom. Xiii. 7) 3. That which causes, or which is the object of, apprehension or alarm; source or occasion of terror; danger; dreadfulness. "There were they in great fear, where no fear was." (Ps. Liii. 5) "The fear of your adventure would counsel you to a more equal enterprise." (Shak) For fear, in apprehension lest. "For fear you ne'er see chain nor money more." Origin: OE. Fer, feer, fere, AS. Fr a coming suddenly upon, fear, danger; akin to D. Vaar, OHG. Fara danger, G. Gefahr, Icel. Far harm, mischief, plague, and to E. Fare, peril. See Fare. Source: Websters Dictionary (01 Mar 1998) |
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| cell bridges | Slender cytoplasmic strands connecting adjacent cells; in histological sections of the epidermis and other stratified squamous epithelia, the bridge's are processes attached by a desmosome and are shrinkage artifacts of fixation; true bridge's with cytoplasmic confluence exist between incompletely divided germ cells. Synonym: cell bridges, cytoplasmic bridges. (05 Mar 2000) |
| cytoplasmic bridges | Slender cytoplasmic strands connecting adjacent cells; in histological sections of the epidermis and other stratified squamous epithelia, the bridge's are processes attached by a desmosome and are shrinkage artifacts of fixation; true bridge's with cytoplasmic confluence exist between incompletely divided germ cells. Synonym: cell bridges, cytoplasmic bridges. (05 Mar 2000) |
| intercellular bridges | Slender cytoplasmic strands connecting adjacent cells; in histological sections of the epidermis and other stratified squamous epithelia, the bridge's are processes attached by a desmosome and are shrinkage artifacts of fixation; true bridge's with cytoplasmic confluence exist between incompletely divided germ cells. Synonym: cell bridges, cytoplasmic bridges. (05 Mar 2000) |
| Gunn's crossing sign | <clinical sign> Retinal arteriovenous crossing with venous compression in hypertensive disease. (05 Mar 2000) |
| crossing over | <genetics, molecular biology> The breaking during meiosis of one maternal and one paternal chromosome, the reciprocal exchange of corresponding sections of DNA along pairs of homologous chromosomes by symmetrical breakage and crosswise rejoining of the chromosomes. This results in the transfer of a block of genes from each chromosome to its homologue. In contrast to genetic recombination, which is a phenotypic phenomenon, crossing-over is genotypic. Any even number of crossing-overs between two loci will cancel out phenotypically and no recombination will occur. Recombination can result from DNA exchange of alleles between between homologous chromatids in meiosis, giving rise to chiasmata. Compare: recombination. (10 Nov 1998) |
| somatic crossing-over | Crossing-over that occurs during the mitosis of somatic cells, in contrast to that which occurs in meiosis. (05 Mar 2000) |
| unequal crossing over | <cell biology> Crossing over between homologous chromosomes that are not precisely paired, resulting in nonreciprocal exchange of material and chromosomes of unequal length. Favoured in regions containing tandemly repeated sequences. (18 Nov 1997) |
| uneven crossing-over | Unequal crossing-over, crossing-over that happens when the breaks do not occur at precisely homologous points in two chromatid strands, and hence results in localised duplication of genetic material in one chromatid and complementary deletion in the other. (05 Mar 2000) |
| four-strand crossing over | Crossing over with both strands of DNA from each sister chromatid, so that both strands from one chromatid are exchanged for both strands on the other. This is different from the usual case where only one of the two DNA strands on one sister chromatid is exchanged for the one matching strand (of the two strands) on the other sister chromatid. (09 Oct 1997) |
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