¹ Source: wiktionary.com
Medical Definition of Schiff base
1. The reaction of a primary amine with an aldehyde or ketone yields an imine sometimes called a Schiff base. When an arylamine is used the Schiff base may form an intermediate in a staining reaction, for example for polysaccharides. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)