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Douglas Harper's Etymology Dictionary

word-forming element indicating "loosening, dissolving, freeing," before vowels lys-, from comb. form of Greek lysis "a loosening" (see lyse).


Lyso- is a prefix applied to the various phospholipids to indicate the removal of one of the two fatty acids. For example, lysophosphatidylcholines are phosphatidylcholines with a single acyl group in either the 1- or 2-position.

Category:Chemistry prefixes