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Definition of Etioporphyrin
1. Noun. (organic compound) Any of several isomeric forms of a synthetic porphyrin that has a methyl and an ethyl group on each pyrrole ring ¹
¹ Source: wiktionary.com
Medical Definition of Etioporphyrin
1. A porphyrin derivative characterised by the presence on each of the four pyrrole rings of one methyl group and one ethyl group; four isomeric forms are thus possible. (05 Mar 2000)