Prostaglandins

**Definition:** A group of compounds derived from unsaturated 20-carbon fatty acids, primarily arachidonic acid, via the cyclooxygenase pathway. They are extremely potent mediators of a diverse group of physiological processes.

**Tree numbers:** - D10.251.355.255.550 - D23.469.050.175.725

**Synonyms:** - Prostanoids - Prostanoid - Prostaglandin