Science and Medicine

Animal testing on invertebrates

Most animal testing involves invertebrates, especially Drosophila melanogaster, a fruit fly, and Caenorhabditis elegans, a nematode. These animals offer scientists many advantages over vertebrates, including their short life cycle, simple anatomy and the ease with which large numbers of individuals may be studied. Invertebrates are often cost-effective, as thousands of flies or nematodes can be housed in a single room. With the exception of some cephalopods in the European Union, invertebrate species are not protected under most animal research legislation, and therefore the total number of invertebrates used remains unknown.

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See also

• ▸Francisco Torrent-Guasp
• ▸Catherine of Aragon
• ▸Atrial natriuretic peptide

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