| ABC leads | The leads for recording one kind of vectorcardiogram utilizing the Arrighi triangle; supplanted by XYZ leads. (05 Mar 2000) |
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| ABC process | Purification of water or deodorization of sewage by a mixture of alum, blood, and charcoal. (05 Mar 2000) |
| abc transporters | A superfamily of oligopeptide permease proteins responsible for transporting a wide range of substrates across membranes. (12 Dec 1998) |
| chondroitin abc lyase | <enzyme> An enzyme that catalyses the eliminative degradation of polysaccharides containing 1,4-beta-d-hexosaminyl and 1,3-beta-d-glucuronosyl or 1,3-alpha-l-iduronosyl linkages to disaccharides containing 4-deoxy-beta-d-gluc-4-enuronosyl groups. (enzyme nomenclature, 1992) Chemical name: chondroitin ABC lyase Registry number: EC 4.2.2.4 (12 Dec 1998) |