| delphinoidea | <zoology> The division of Cetacea which comprises the dolphins, porpoises, and related forms. Source: Websters Dictionary (01 Mar 1998) |
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| delphinus | 1. <zoology> A genus of Cetacea, including the dolphin. See Dolphin. 1. 2. <astronomy> The Dolphin, a constellation near the equator and east of Aquila. Origin: L, a dolphin, fr. Gr. Source: Websters Dictionary (01 Mar 1998) |
| Delta | Neurogenic locus in Drosophila. Gene product contains 9 repeats of the EGF like domain. (18 Nov 1997) |
| delta 14-sterol reductase | <enzyme> Reduces ignosterol to ergosterol; NADPH-dependent enzyme that catalyses the formal trans addition of hydrogen across the 14,15-pi bond in 8,14-sterol dienes; forms 4,4-dimethylzymosterol in lanosterol metabolism pathway from 4,4-dimethyl-5alpha-cholesta-8,14,25-trien-3beta-ol or from 4,4-dimethyl-cholesta-8,14,24-trienol; erg24 from saccharomyces cerevisiae Registry number: EC 1.3.1.- Synonym: ignosterol reductase, delta 8,14-sterol delta 14-reductase, 14,15-sterol reductase, delta 8,14-steroid 14-reductase, delta 14,15-reductase, sterol c-14 reductase, c-14 sterol reductase, erg24 gene product (26 Jun 1999) |
| delta 24-sterol methyltransferase | <enzyme> Substrate sterols may be replaced by specific sterol Registry number: EC 2.1.1.41 Synonym: s-adenosylmethionine zymosterol methyltransferase, s-adenosylmethionine-delta 24-sterol-c-methyltransferase, sterol c-24 s-adenosylmethionine methyltransferase, sed6 protein, erg6 protein, (s)-adenosyl-l-methionine-delta 24(25)-sterol methyltransferase (26 Jun 1999) |
| delta 5,7-sterol delta-7-reductase | <enzyme> Involved in cholesterol biosynthesis, introduces the delta-5 bond into delta 7-cholestenol to form 7-dehydrocholesterol Registry number: EC 1.3.1.- Synonym: delta 7-sterol reductase, delta 7-sterol desaturase, delta 7-sterol 5-desaturase (26 Jun 1999) |
| delta agent | A rare form of viral transfusion hepatitis. A defective viral agent that occurs only in association with hepatitis B infection. The delta agent may also increase the severity of hepatitis B infection. Complications include chronic persistent hepatitis and fulminant hepatitis. A test known as anti-delta agent antibody is positive and used to confirm the diagnosis. Treatment is the same as for hepatitis B. (27 Sep 1997) |
| delta alcoholism | Jellinek's term for an advanced form of gamma alcoholism in which the individual has lost the ability to abstain from partaking of alcohol even for a brief period. (05 Mar 2000) |
| delta antigen | A defective virus, containing particles of RNA nucleoprotein in virion-like form, present in patients with acute hepatitis b and chronic hepatitis. Officially this is classified as a subviral satellite RNA (RNA, satellite). (12 Dec 1998) |
| delta bilirubin | The fraction of bilirubin covalently bound to albumin; in conventional methods it is measured as part of conjugated bilirubin. Because of its covalent bond during the recovery phase of hepatocellular jaundice, it may persist in the blood for a week or more after urine clears. (05 Mar 2000) |
| delta cell of anterior lobe of hypophysis | A variety of cell having basophilic granules. (05 Mar 2000) |
| delta cell of pancreas | A cell of the islets having fine granules and containing somatostatin. Synonym: D cell. (05 Mar 2000) |
| delta chain | See: immunoglobulin. The heavy chains of mouse and human IgD immunoglobulins. (18 Nov 1997) |
| delta check | A comparison of consecutive values for a given test in a patient's laboratory file used to detect abrupt changes, usually generated as a part of computer-based quality control programs. Synonym: d check. (05 Mar 2000) |
| delta fornicis | The triangular subcallosal plate of commissural fibres resulting from the converging of the right and left fornix bundles which exchange numerous fibres and which curve back in the contralateral fornix to end in the hippocampus of the opposite side. Synonym: commissura hippocampi, commissure of fornix, delta fornicis, hippocampal commissure, psalterium, transverse fornix. (05 Mar 2000) |
| delousing |
(de
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| delomorphous |
(de
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| delayed afterdepolarization |
(DAD) an afterdepolarization occurring after full repolarization, and generally during a period of hyperpolarization, of the cells initially depolarized in the main (spike) potential.
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| delayed conduction |
slowed cardiac impulse propagation resulting in an interval greater than 0.2 second between atrial and ventricular contractions, as occurs in first degree heart block.
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| delayed cystography |
cystography in which film exposures are made at varying intervals up to 30 minutes or longer; useful in the study of urinary reflux.
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| del | (usually plural) discussion of all sides of a question |
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| del | involved in or characterized by deliberation and discussion and examination |
| del | French composer of operas (1836-1891) |
| del | capable of being deleted |
| del | lightness in movement or manner |
| del | the quality of being beautiful and delicate in appearance |
| del | subtly skillful handling of a situation |
| del | lack of physical strength |
| del | smallness of stature |
| del | refined taste |
| del | something considered choice to eat |
| del | exquisitely fine and subtle and pleasing |