The release of prostaglandin E2 from the bovine iris.
D000818:Animals; D002417:Cattle; D002855:Chromatography, Thin Layer; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007498:Iris / Q000378:metabolism*; D009129:Muscle Tonus; D009130:Muscle, Smooth / Q000187:drug effects; D011343:Procaine / Q000494:pharmacology; D011448:Prostaglandin Antagonists; D011453:Prostaglandins / Q000378:metabolism* / Q000494:pharmacology; D051381:Rats; D013779:Tetrodotoxin / Q000494:pharmacology
D011448:Prostaglandin Antagonists; D011453:Prostaglandins; D013779:Tetrodotoxin; D011343:Procaine