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Definition of Corrin
1. Noun. (chemistry) a molecular species that contains four reduced pyrrole rings joined in a macrocycle by three -CH= groups and one direct bond; central to the cobalt containing vitamin cobalamin ¹
¹ Source: wiktionary.com
Medical Definition of Corrin
1. The cyclic system of four pyrrole rings forming corrinoids, which are the central structure of the vitamins B12 and related compounds, differing from porphin (porphyrin) in that two of the pyrrole rings are directly linked (C-19 to C-1). Origin: fr. Core (of vitamin B12 molecule) (05 Mar 2000)
Lexicographical Neighbors of Corrin
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