<prompt> Prussaks space is bounded below byFibers of lateral malleolar foldShrapnells membraneSho process of malleusNeck of malleus  <response>: Anatomy of middle ear Boundaries of Prussaks space: Superior - Fibers of lateral malleolar fold Inferior - Sho process of malleus Lateral - Shrapnells membrane Medial - Neck of malleus Ref : Diseases of ENT by Dhingra 6th edition Pgno : 449 