Aspirin Facts
Origin of
Arachidonic Acid:
Formed
when membrane phospholipids are acted on by:
Residual of alpha
granule membranes
thrombin
ADP
collagen
epinephrine
Thromboxane A2
Inhibits
platelet aggregation
Acts
as a vasodilator
Stimulates
platelet aggregation
Effects of
proctacyclin (PGI2):
Effects of
thromboxane (TxA2):
Acts
as a vasoconstrictor