| ED | early-decision [applicant]; early differentiation; ectodermal dysplasia; ectopic depolarization; eff... |
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| EM | early memory; ejection murmur; electromagnetic; electron micrograph; electron microscopy, electron m... |
| EMP | electric membrane property; electromagnetic pulse; Embden-Meyerhof pathway; external membrane potent... |
| EPI | echo planar imaging; electronic portal imaging; Emotion Profile Index; epilepsy; epinephrine; epithe... |
| FCP | F-cell production; final common pathway; Functional Communication Profile |
| mercapturic acid pathway | A glutathione-dependent pathway for the detoxification of a number of compounds, including arene oxides; an S-substituted glutathione is formed and ultimately converted to a mercapturic acid (an S-substituted N-acetylated l-cysteine), which is excreted; the leukotrienes are believed to be degraded through this pathway. (05 Mar 2000) |
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| RMP pathway | <biochemistry> Ribulose monophosphate pathway, also called allulose phosphate pathway. A metabolic pathway used by methylotropic bacteria for the conversion of formaldehyde to hexose sugars etc. In the first stage ribulose 5 phosphate is condensed with HCHO. (23 Aug 1998) |
| phosphogluconate pathway | <biochemistry> This oxidative pathway starts with glucose-6-phosphate andeventually results in the creation of pentose phosphates and NADPH. (09 Oct 1997) |
| complement pathway, alternative | The complement activation sequence initiated by the activation of complement factor c3, which is triggered by the interaction of microbial polysaccharides and properdin without participation of an antigen-antibody reaction. (12 Dec 1998) |
| complement pathway, classical | The sequential activation of complement, initiated by antigen-antibody complex and the binding of complement factor c1q to the fc region of the antibody. (12 Dec 1998) |
| polyol pathway | A pathway responsible for d-fructose formation from sorbitol; increases in activity as the glucose concentration rises in diabetes. Synonym: polyol pathway. (05 Mar 2000) |
| critical pathway | Schedules of medical and nursing procedures, including diagnostic tests, medications, and consultations designed to effect an efficient, coordinated program of treatment. (12 Dec 1998) |
| Hatch Slack Kortshak pathway | <biochemistry> Metabolic pathway responsible for primary carbon dioxide fixation in C4 plant photosynthesis. The enzymes that are found in mesophyll chloroplasts include PEP carboxylase, that adds carbon dioxide to phosphoenolpyruvate to give the 4 carbon compound, oxaloacetate. Four carbon compounds are transferred to bundle sheath chloroplasts, where the carbon dioxide is liberated and re fixed by the Calvin Benson cycle. The Hatch Slack Kortshak pathway permits efficient photosynthesis under conditions of high light intensity and low carbon dioxide concentration, avoiding the nonproductive effects of photorespiration. Acronym: HSK pathway (15 Nov 1997) |
| salvage pathway | <biochemistry> A recycling metabolic pathway in which biomolecules such as nucleotides are synthesised from intermediates in the degradative pathway for those biomolecules. The intermediate materials would otherwise be waste products. (14 Oct 1997) |
| hexose monophosphate pathway | <biochemistry> A pathway of hexose oxidation in which glucose-6-phosphate undergoes two successive oxidations by NADP, the final one being an oxidative decarboxylation to form a pentose phosphate. Diverges from this when glucose-6-phosphate is oxidized to ribose 5 phosphate by the enzyme glucose-6 phosphate dehydrogenase. This step reduces NADP to NADPH, generating a source of reducing power in cells for use in reductive biosyntheses. In plants, part of the pathway functions in the formation of hexoses from carbon dioxide in photosynthesis. Also important as source of pentoses, for example for nucleic acid biosynthesis. This pathway is the main metabolic pathway in neutrophils, congenital deficiency in the pathway produces sensitivity to infection. Alternative metabolic route to Embden Meyerhof pathway for breakdown of glucose. (18 Nov 1997) |
| hexose monphosphate pathway | A metabolic pathway present in a wide range of prokaryotic and eukaryotic microorganisms as well as in plants and animals, it involves the oxidative decarboxylation of glucose-6-phosphate, via 6 phosphogluconate, to ribulose 5-phosphate, followed by a series of reversible, non-oxidative interconversions whereby hexose and triose phosphates are formed from pentose phosphates. (09 Oct 1997) |
| HSK pathway | <biochemistry> Metabolic pathway responsible for primary carbon dioxide fixation in C4 plant photosynthesis. The enzymes that are found in mesophyll chloroplasts include PEP carboxylase, that adds carbon dioxide to phosphoenolpyruvate to give the 4 carbon compound, oxaloacetate. Four carbon compounds are transferred to bundle sheath chloroplasts, where the carbon dioxide is liberated and re fixed by the Calvin Benson cycle. The Hatch Slack Kortshak pathway permits efficient photosynthesis under conditions of high light intensity and low carbon dioxide concentration, avoiding the nonproductive effects of photorespiration. Acronym: HSK pathway (15 Nov 1997) |
| shikimic acid pathway | <biochemistry> Metabolic pathway in plants and microorganisms, by which the aromatic amino acids (phenylalanine, tyrosine and tryptophan) are formed from phosphoenolpyruvate and erythrose 4 phosphate via shikimic acid. The aromatic amino acids in turn serve as precursors for the formation of lignin and other phenolic compounds in plants. Inhibitors of this pathway are used as herbicides. (18 Nov 1997) |
| sorbitol pathway | A pathway responsible for d-fructose formation from sorbitol; increases in activity as the glucose concentration rises in diabetes. Synonym: polyol pathway. (05 Mar 2000) |
| neural pathway | <anatomy> Neural tracts connecting one part of the nervous system with another. (12 Dec 1998) |