| ALD | <radiology> X-linked recessive, demyelination of cerebral white matter, adrenal insufficiency (unresponsive to ACTH), CT: white-matter disease: occipital regions to frontal, progression to generalised atrophy, NM: increased uptake in involved regions, ** dysmyelinating disease, white-matter disease (12 Dec 1998) |
|---|---|
| aldactazide | <drug> A drug combination of spironolactone and hydrochlorothiazide, for the treatment of high blood pressure. (09 Oct 1997) |
| aldadiene | A metabolite of spironolactone that contains double bonds between C-4 and C-5 and between C-6 and C-7; formed upon removal of the 7alpha-acetylthiol side chain from spironolactone and as potent a diuretic as the parent compound. (05 Mar 2000) |
| aldaric acid | One of a group of sugar acids characterised by the formula HOOC-(CHOH)n-COOH; e.g., saccharic acid. (05 Mar 2000) |
| aldebaran | <astronomy> A red star of the first magnitude, situated in the eye of Taurus; the Bull's Eye. It is the bright star in the group called the Hyades. "Now when Aldebaran was mounted high Above the shiny Cassiopeia's chair." (Spenser) Origin: Ar. Al-debaran, fr. Dabar to follow; so called because this star follows upon the Pleiades. Source: Websters Dictionary (01 Mar 1998) |
| aldehol | An oxidation product of kerosene; used for denaturing ethyl alcohol. (05 Mar 2000) |
| aldehyde | <chemistry> A carbon atom double-bonded to an oxygen, single-bonded to a hydrogen, and single-bonded to another chemical group (such as methane, benzene, another hydrogen, anything). The carbon oxygen double bond part is known as a carbonyl group (C=O). An example is acetaldehyde, which is a carbonyl group single-bonded to a hydrogen and single-bonded to a methane (a methyl group: CH3). (09 Oct 1997) |
| aldehyde base | An obsolete term for an imide. (05 Mar 2000) |
| aldehyde decarbonylase | <enzyme> Catalyses the decarboxylation of aldehydes to form alkanes and co Registry number: EC 4.1.2.- (26 Jun 1999) |
| aldehyde dehydrogenase | <enzyme> An enzyme that oxidises an aldehyde in the presence of NAD+ and water to an acid and NADH. Before 1978, it was classified as EC 1.1.1.70. Chemical name: Aldehyde:NAD+ oxidoreductase Registry number: EC 1.2.1.3 (12 Dec 1998) |
| aldehyde dehydrogenase (acylating) | An oxidoreductase converting an aldehyde and CoA to acyl-CoA with NAD+ as H acceptor. (05 Mar 2000) |
| aldehyde dehydrogenase (NAD(P)+) | An oxidoreductase reversibly converting aldehydes to acids with NAD+ or NADP+ as H acceptor. (05 Mar 2000) |
| aldehyde dehydrogenase (NAD+) | An oxidoreductase reversibly converting aldehydes to acids with NADP+ as H acceptor. (05 Mar 2000) |
| aldehyde DPN transhydrogenase | aldehyde dehydrogenase (NAD+) |
| aldehyde ferredoxin oxidoreductase | <enzyme> Contains molybdopterin as the organic component of tungsten cofactor Registry number: EC 1.2.7.- (26 Jun 1999) |