| nonoxynol 9 | A group of compounds which are surface acting agents, used in spermicidal preparations such as contraceptive foam and diaphragm jelly. (05 Mar 2000) |
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| nonpareil | 1. Something of unequaled excellence; a peerless thing or person; a nonesuch; often used as a name. 2. [F. Nonpareille. A size of type next smaller than minion and next larger than agate (or ruby). This line is printed in the type called nonpareil. 3. <zoology> A beautifully coloured finch (Passerina ciris), native of the Southern United States. The male has the head and neck deep blue, rump and under parts bright red, back and wings golden green, and the tail bluish purple. Called also painted finch. Any other similar bird of the same genus. See: Nonpareil. Source: Websters Dictionary (01 Mar 1998) |
| nonparous | Having never given birth to a viable infant. (18 Nov 1997) |
| nonpedunculated hydatid | A vesicular nonpedunculated structure attached to the cephalic pole of the testis; a vestige of the cephalic end of the paramesonephric (mullerian) duct. Synonym: appendix testis, appendix of the testis, nonpedunculated hydatid, ovarium masculinum, sessile hydatid. (05 Mar 2000) |
| nonpenetrance | The state in which a genetic trait, although present in the appropriate genotype (i.e., homozygous, hemizygous, or heterozygous according to the state of dominance and mode of inheritance), fails to manifest itself in the phenotype because of nongenetic mechanisms. Compare: hypostasis. (05 Mar 2000) |
| nonpenetrant trait | A genetic trait that is not phenotypically manifest because of non-genetic factors it therefore does not include recessivity, epistasis, hypostasis, or parastasis but does include environmental factors and pure random effects such as lyonization. (05 Mar 2000) |
| nonpenetrating keratoplasty | Keratoplasty in which only the anterior layer of the cornea is used (not a tectonic keratoplasty). Synonym: lamellar keratoplasty, layered keratoplasty. (05 Mar 2000) |
| nonpenetrating wound | Injury, especially within the thorax or abdomen, produced without disruption of the surface of the body. (05 Mar 2000) |
| nonpermissive cell | <cell biology> Originally a cell of a tissue type or species that does not permit replication of a particular virus. Early stages of the virus cycle may be possible in such a cell, that in the case of tumour viruses may become transformed. Now used in a more general sense, of agents and treatments other than viruses. (18 Nov 1997) |
| nonphasic sinus arrhythmia | Sinus arrhythmia in which variations in rhythm are not related to the phases of respiration. (05 Mar 2000) |
| nonphotobiotic | <biology> Capable of living without light; as, nonphotobiotic plant cells, or cells which habitually live in darkness. Source: Websters Dictionary (01 Mar 1998) |
| nonpitting oedema | Swelling of subcutaneous tissues which cannot be indented by compression easily. Usually due to metabolic abnormality, such as increased glycosaminoglycan content, like that which occurs in Graves' disease (pretibial myxoedema) or in early phase of scleroderma. Synonym: brawny oedema. (05 Mar 2000) |
| nonplane | <mathematics> Not lying in one plane; said of certain curves. Source: Websters Dictionary (01 Mar 1998) |
| nonplasmatic compartment | Compartment surrounded by a single biomembrane (e.g., vacuoles, lysosomes). (05 Mar 2000) |
| nonpolar | <chemistry> Describes a molecular that does not have a permanent electric dipole and consequently may be less soluble in water (for example lipids). See: nonpolar groups (12 Mar 1998) |
| nonmetal |
an element that does not exhibit the characteristics of a metal
출처: library.thinkquest.org/19957/nomen/glossary.html
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| nonessential amino acid |
An amino acid that may be synthesized by a cell or organism from simple chemical precursors. Nonessential amino acids are not required as nutrients.
출처: www.genpromag.com/Glossary~LETTER~N.html
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| nonpolar |
Lacking in polarity; characterized by an even distribution of positive and negative charges.
출처: www.genpromag.com/Glossary~LETTER~N.html
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| nonsense mutation |
A mutation that causes the formation of a nonsense codon and the truncation of the protein product.
출처: www.genpromag.com/Glossary~LETTER~N.html
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| nondisjunction |
A failure of homologous chromosomes or sister chromatids to separate at anaphase.
출처: www.modernhumanorigins.com/n.html
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| non | not conforming to some norm or socially approved pattern of behavior or thought |
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| non | not conforming to established customs or doctrines especially in religion |
| non | a Protestant in England who is not a member of the Church of England |
| non | failure to conform |
| non | unorthodoxy as a consequence of not conforming to expected standards or values |
| non | a lack of conformity |
| non | lack of harmony or correspondence |
| non | relating to the lack of consciousness of inanimate things |
| non | concerning mental functioning that is not represented in consciousness |
| non | (of disease) not capable of being passed on |
| non | of persons |
| non | not continuing without interruption in time or space |