| noncyclic photophosphorylation | <biochemistry> Process by which light energy absorbed by photosystems I and II in chloroplasts is used to generate ATP (and also NADPH). Involves photolysis of water by photosystem II, passage of electrons along the photosynthetic electron transport chain with concomitant phosphorylation of ADP and reduction of NADP using energy derived from photosystem I. (18 Nov 1997) |
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| nonda | <botany> The edible plumlike fruit of the Australian tree, Parinarium Nonda. Source: Websters Dictionary (01 Mar 1998) |
| nondecane | <chemistry> A hydrocarbon of the paraffin series, a white waxy substance, C19H40; so called from the number of carbon atoms in the molecule. Origin: L. Nonus ninth + decem ten. Source: Websters Dictionary (01 Mar 1998) |
| nondeciduate | <anatomy> Characterised by the absence of a decidua; indeciduate. Source: Websters Dictionary (01 Mar 1998) |
| nondeciduous placenta | A placenta in which the foetal placenta is cast off, leaving the uterine mucosa intact (e.g., an epitheliochorial placenta). (05 Mar 2000) |
| nondepolarising block | Skeletal mucle paralysis unaccompanied by changes in polarity of the motor endplate, as occurs following administration of tubocurarine. (05 Mar 2000) |
| nondepolarising neuromuscular blocking agent | A compound that paralyzes skeletal muscle primarily by inhibiting transmission of nerve impulses at the neuromuscular junction rather than by affecting the membrane potention of motor endplate or muscle fibres. (05 Mar 2000) |
| nondepolarising relaxant | An agent, e.g., tubocurarine, that paralyzes skeletal muscle without depolarisation of the motor endplate, as in phase II block. (05 Mar 2000) |
| nondiabetic glycosuria | <nephrology> Presence of glucose in the urine without hyperglycaemia due to abnormality in renal tubular reabsorption of filtered glucose. Synonym: nondiabetic glycosuria, orthoglycaemic glycosuria. (05 Mar 2000) |
| nondirective psychotherapy | Psychotherapy in which the therapist follows the lead of the patient during the interview rather than introducing her or his own theories and directing the course of the interview. See: client-centreed therapy. (05 Mar 2000) |
| nondirective therapy | A procedure in which the therapist refrains from directing the client, but instead reflects back to the client what the latter has said, sometimes restating the client's remark. (12 Dec 1998) |
| nondisease | Absence of disease when a specific disease is suspected but not found. (05 Mar 2000) |
| nondisjunction | <genetics, molecular biology> Failure of homologous chromosomes or sister chromatids to separate or segregate at meiosis or mitosis respectively. It results in aneuploid cells, where the daughter cell has two chromosomes or two chromatids and the other has none. Nondisjunction of the X chromosome in Drosophila confirmed the theory of chromosomal inheritance. (17 Jul 2002) |
| nondo | <botany> A coarse umbelliferous plant (Ligusticum actaeifolium) with a large aromatic root. It is found chiefly in the Alleghany region. Also called Angelico. Source: Websters Dictionary (01 Mar 1998) |
| none | 1. No one; not one; not anything; frequently used also partitively, or as a plural, not any. "There is none that doeth good; no, not one." (Ps. Xiv. 3) "Six days ye shall gather it, but on the seventh day, which is the Sabbath, in it there shall be none." (Ex. Xvi. 26) "Terms of peace yet none Vouchsafed or sought." (Milton) "None of their productions are extant." (Blair) 2. No; not any; used adjectively before a vowel, in old style; as, thou shalt have none assurance of thy life. None of, not at all; not; nothing of; used emphatically. "They knew that I was none of the register that entered their admissions in the universities." . <botany> None-so-pretty, the Saxifraga umbrosa. See London pride, under London. Origin: OE. None, non, nan, no, na, AS. Nan, fr. Ne not + an one. See No, &, One, and cf. Non-, Null. Source: Websters Dictionary (01 Mar 1998) |
| nonsteroid |
an organic compound that does no contain a steroid
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| nonsteroidal |
nonsteroid: an organic compound that does no contain a steroid not steroidal or not having the effects of steroid hormones
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| nonspecific |
not caused by a specific agent; used also of staining in making microscope slides; "nonspecific enteritis"
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| nonspecific urethritis |
inflammation of the urethra of unknown cause
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| nonsteroidal anti-inflammatory drug |
nonsteroidal anti-inflammatory: an anti-inflammatory drug that does not contain steroids; "NSAIDs inhibit the activity of both Cox-1 and Cox-2 enzymes"
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| non | not associative |
|---|---|
| non | not astringent |
| non | the failure to attend |
| non | someone who shirks duty |
| non | of peoples and political bodies |
| non | (of a structural member) supporting no vertical weight other than its own |
| non | the state of not being |
| non | someone who refuses to believe (as in a divinity) |
| non | not directly at war |
| non | pollution that accumulates in the environment and may appear in the food chain |
| non | a bond containing a provision that the holder cannot redeem the security before a specific date (usually at maturity) |
| non | of food have no (or few) calories |