Release of vaso-active substances from lungs by injection of particles.
D000818:Animals; D006168:Guinea Pigs; D008168:Lung / Q000378:metabolism*; D008863:Microspheres; D011453:Prostaglandins / Q000096:biosynthesis; D014662:Vasoconstrictor Agents / Q000494:pharmacology
D011453:Prostaglandins; D014662:Vasoconstrictor Agents