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The negative control for SP and CGRP in the inner surface region of the middle ear is shown at the macroscopic level. a Inner surface of the tympanic membrane (bar 2 cm), b neck of the malleus, c insertion of the TTM at the malleus; d, belly of the TTM, e connection region between the TTM and TVPM, f belly of the TVPM (see Fig. 1) (46-year-old male) (bar 2 mm)
