| alder | <botany> A tree, usually growing in moist land, and belonging to the genus Alnus. The wood is used by turners, etc.; the bark by dyers and tanners. In the U. S. The species of alder are usually shrubs or small trees. Black alder. A European shrub (Rhamnus frangula); Alder buckthorn. An American species of holly (Ilex verticillata), bearing red berries. Origin: OE. Aldir, aller, fr. AS. Alr, aler, alor, akin to D. Els, G. Erle, Icel. Erlir, erli, Swed. Al, Dan. Elle, el, L. Alnus, and E. Elm. Source: Websters Dictionary (01 Mar 1998) |
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| Alder bodies | Granular inclusions in polymorphonuclear leukocytes; they take on a dark colour with Giemsa-Wright stain and react metachromatically with toluidine blue. See: Alder's anomaly. (05 Mar 2000) |
| Alder's anomaly | Coarse azurophilic granulation of leukocytes, especially granulocytes, which may be associated with gargoylism and Morquio's disease. (05 Mar 2000) |
| Alder, Albert von | <person> See: Alder's anomaly, Alder bodies. (05 Mar 2000) |