Prostaglandin H2

**Definition:** A cyclic endoperoxide intermediate produced by the action of CYCLOOXYGENASE on ARACHIDONIC ACID. It is further converted by a series of specific enzymes to the series 2 prostaglandins.

**Tree numbers:** - D01.248.497.158.685.750.744.650.500 - D01.339.431.374.744.650.500 - D01.650.550.750.700.650.500 - D02.389.593.374.744.650.500 - D10.251.355.255.550.025.650.500 - D23.469.050.175.725.025.650.500

**Synonyms:** - PGH(2) - PGH2