11. Conversely, thromboxanes ( produced by platelet cells ) are vasoconstrictors and facilitate platelet aggregation . 12. Platelet aggregation , especially in microvasculature, can cause localized clot formation, leading to blotchy hemorrhages.13. Because garlic might reduce platelet aggregation , people taking anticoagulant medication are cautioned about consuming garlic. 14. It does not inhibit platelet aggregation , where PGI2 does. 15. It inhibits platelet aggregation , and may also be useful in the treatment of multiple sclerosis. 16. An olive oil fraction containing DHPE can inhibit platelet aggregation and thromboxane B2 formation in vitro. 17. For example, HDL and its protein and lipid constituents help to inhibit oxidation, inflammation, platelet aggregation . 18. While all hemotoxins leading to clot formation induce platelet aggregation , they do so in various ways. 19. It appears to stimulate endothelial nitric oxide synthase ( eNOS ) activity and inhibit platelet aggregation . 20. Aspirin, the only NSAID able to irreversibly inhibit COX-1, is also indicated for inhibition of platelet aggregation .