# Commission Directive (EU) 2017/433 of 7 March 2017 amending Directive 2009/43/EC of the European Parliament and of the Council as regards the list of defence-related products (Text with EEA relevance), Division: Technical Notes

Extent: E+W+S+N.I.

1.. 'Anti-idiotypic antibodies' means antibodies which bind to the specific antigen binding sites of other antibodies;
2.. 'Monoclonal antibodies' means proteins which bind to one antigenic site and are produced by a single clone of cells;
3.. 'Polyclonal antibodies' means a mixture of proteins which bind to the specific antigen and are produced by more than one clone of cells;
4.. 'Receptors' means biological macromolecular structures capable of binding ligands, the binding of which affects physiological functions.

---
Source: https://www.legislation.gov.uk/eudr/2017/433/annex/division/2/division/10/annotation/1 (the official version)
Page: https://openlegislation.uk/eu-directive-2017-433/annex/division-2/division-10/annotation/1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.