The skin and the prostaglandins.
D000818:Animals; D001792:Blood Platelets / Q000187:drug effects; D000242:Cyclic AMP / Q000378:metabolism; D004487:Edema / Q000139:chemically induced; D004890:Erythema / Q000139:chemically induced; D006801:Humans; D011453:Prostaglandins / Q000009:adverse effects / Q000494:pharmacology*; D012867:Skin / Q000098:blood supply / Q000187:drug effects*
D011453:Prostaglandins; D000242:Cyclic AMP