Recent Examples on the WebThis disease is the progressive blockage of arteries with plaque that’s made up of cholesterol, other fatty materials and fibrin (a blood-clotting protein). Dr. Keith Roach, oregonlive, 23 Aug. 2022 Red blood cells and platelets then form a plug at the injury site while fibrin protein strands strengthen it, Cosmos reports. Elizabeth Gamillo, Smithsonian Magazine, 23 June 2022 Platelets release fibrin products to form a clot and seal the wound. Dr. Michael Daignault, USA TODAY, 24 Feb. 2022 These materials include collagen—the most abundant protein in the dermis, or middle layer of the skin—and fibrin, a protein needed for wound healing. Emily Matchar, Smithsonian, 30 May 2018