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Medical Definition of Alk-1-enylglycerophospholipid
1. A phosphatidate in which at least one of the radicals attached to the glycerol is an alk-1-enyl rather than the usual acyl radical (i.e., is derived from an aldehyde rather than an acid, hence the older trivial names phosphatidal and acetal phosphatid(at)e); "plasmenic acid" has been proposed as a name for such phosphatidates. (05 Mar 2000)