The chemical reactions and pathways by which prostaglandins are formed from arachidonic acid, and in which prostaglandin-endoperoxide synthase (cyclooxygenase) catalyzes the committed step in the conversion of arachidonic acid to the prostaglandin-endoperoxides PGG2 and PGH2. [ http://www.ncbi.nlm.nih.gov/pubmed/19854273 ]
This is just here as a test because I lose it