(Alexander Prussak, 18391897, Russian otologist), small middle ear recess, bordered laterally by the flaccid part of the tympanic membrane (Shrapnells membrane), superiorly by the scutum and lateral mallear ligament, inferiorly by the short process of the malleus, and medially by the neck of the malleus. Acquired cholesteatoma commonly originates from this recess (cholesteatoma (VI:2), Fig. 1).
RH
