A porous matrix for tissue engineering has a first biodegradable and biocompatible polymer component forming a three-dimensional primary structure with primary pores, and further includes a second biodegradable and biocompatible polymer component other than the first polymer component selected from the group of collagens, laminin, fibronectin and mixtures thereof, wherein the second polymer component forms a three-dimensional secondary structure with secondary pores, the secondary structure being contained within the interior space of at least a part of the primary pores.
