Assertion: prostaglandin | /r/HasProperty | formed
Facets:
Source sentences:
text: Prostaglandins, prostacyclin (PGI 2 ) and thromboxane A2 (TXA 2 ), collectively termed prostanoids, are formed when arachidonic acid (AA), a 20-carbon unsaturated fatty acid, is released from the plasma membrane by phospholipases (PLAs) and metabolized by the sequential actions of prostaglandin G/H synthase also known as cyclooxygenase (COX), and respective synthases.
text: They discovered that prostaglandins are formed from the progressive conversions of arachidonic acid, an unsaturated fatty acid.