| duramatral | <anatomy> Pertaining to the dura, or dura mater. Source: Websters Dictionary (01 Mar 1998) |
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| duramen | <botany> The heartwood of an exogenous tree. Origin: L, hardness, a hardened, i. E, ligneous, vine branch, fr. Durare to harden. See Dure. Source: Websters Dictionary (01 Mar 1998) |
| Duran-Reynals permeability factor | <enzyme> Enzyme that degrades hyaluronic acid, found in lysosomes. (18 Nov 1997) |
| Duran-Reynals, Francisco | <person> U.S. Bacteriologist, 1899-1958. See: Duran-Reynals permeability factor. (05 Mar 2000) |
| durapatite | <chemical> The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis. Pharmacological action: biocompatible materials. Chemical name: Hydroxylapatite (Ca5(OH)(PO4)3) (12 Dec 1998) |
| duraplasty | A plastic or reconstructive operation on the dura mater. Origin: dura (mater) + G. Plastos, formed (05 Mar 2000) |
| duration | A continuous period of time. (05 Mar 2000) |
| duration tetany | A tonic spasm occurring in degenerated muscles upon application of a strong galvanic current. (05 Mar 2000) |
| Durck's nodes | Perivascular chronic inflammatory infiltrates in the brain, occurring in human trypanosomiasis. (05 Mar 2000) |
| Durck, Hermann | <person> German pathologist, 1869-1941. See: Durck's nodes. (05 Mar 2000) |
| durene | <chemistry> A colourless, crystalline, aromatic hydrocarbon, C6H2(CH3)4, off artificial production, with an odour like camphor. Origin: L. Durus hard; so called because solid at ordinary temperatures. Source: Websters Dictionary (01 Mar 1998) |
| duress | 1. Hardship; constraint; pressure; imprisonment; restraint of liberty. "The agreements . . . Made with the landlords during the time of slavery, are only the effect of duress and force." (Burke) 2. The state of compulsion or necessity in which a person is influenced, whether by the unlawful restrain of his liberty or by actual or threatened physical violence, to incur a civil liability or to commit an offense. Origin: OF. Duresse, du, hardship, severity, L. Duritia, durities, fr. Durus hard. See Dure. Source: Websters Dictionary (01 Mar 1998) |
| Duret's haemorrhage | Small brainstem haemorrhage resulting from brainstem distortion secondary to transtentorial herniation. (05 Mar 2000) |
| Duret's lesion | Small haemorrhage(s) in the floor of the fourth ventricle or beneath the aqueduct of Sylvius. (05 Mar 2000) |
| Duret, Henri | <person> French neurosurgeon, 1849-1921. See: Duret's lesion, Duret's haemorrhage. (05 Mar 2000) |