etioporphyrin

noun

etio·​por·​phy·​rin
variants or chiefly British aetioporphyrin
: any of four isomeric porphyrins C32H38N4
especially : a violet crystalline pigment occurring in nature (as in petroleum and coal) and formed by degradation of chlorophyll and of heme

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Cite this Entry

“Etioporphyrin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/etioporphyrin. Accessed 23 Nov. 2024.

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