plasma fibronectin

plas·ma fi·bro·nec·tin

a circulating α2-glycoprotein that functions as an opsonin, mediating reticuloendothelial and macrophage clearance of fibrin microaggregates, collagen debris, and bacterial particulates, protecting microvascular perfusion and lymphatic drainage.

plas·ma fi·bro·nec·tin

(plaz'mă fī'brō-nek'tin) A circulating α2-glycoprotein that functions as an opsonin, mediating reticuloendothelial and macrophage clearance of fibrin microaggregates, collagen debris, and bacterial particulates, and protecting microvascular perfusion and lymphatic drainage.