Phospholipase A2 enzymes (EC 3.1.1.4) hydrolyze ester bonds at the sn-2 position of glyceroacylphospholipids to produce lysophospholipids and nonesterified fatty acids such as arachidonic acid (C20:4 n-6), the precursor of these proinflammatory mediators encompassing PGE2 [11 ,12 ].

Coordinate term: historicism

We stood on the fire step with our heads over the top, peering out into No Man's Land.

Before Evolve had even seen its first beta, the game's publisher dipped its toe into presenting it as an eSport.