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Microtome sections (Leitz polarizing microscope) of the multilayer MEDI NOVA bag. The adhesive layer is 2.2 µm wide. Underneath is the inner thinner layer (88.4 µm) that comes into contact with the extended semen. The outer layer is 12.5 µm wide
(Source Fraunhofer Institute for Process Engineering and Packaging, Freising, Germany).
