The invention concerns a porous material essentially consisting of one or more hydrophilic polymers and/or pharmaceutical water-soluble medicaments as well as optionally reinforcing elements and/or additives. The material has a structure essentially in the form of elongate leaf-like formations, which essentially extend in the same vertical direction, and which are united in longitudinal areas to provide vertically elongate pores located therebetween. The invention additionally concerns a wound dressing comprising such a material, and a method of making the material.
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