Collagen I, Bovine is a naturally occurring extra cellular matrix found in tendons and other connective tissues. It plays a key role in cell growth, differentiation, attachment, and migration. This solution is supplied at 5 mg⁄ml in a 10 ml vial providing the flexibility to dilute to lower concentrations. The detailed gelling procedure included in the package insert allows the user to form a firm, clear gel for 3D applications.