Fig. 5From: Localization of TrkB and p75 receptors in peritoneal and deep infiltrating endometriosis: an immunohistochemical studyGanglion in plexus myentericus of healthy human colon (a) and colon endometriosis lesion (b, c) stained with PGP9.5. Original magnification 40 ×. Black arrows showed ganglions, red arrows showed nerve fibers, blue arrows showed endometriosis. Irregular form of plexus myentericus depicted in picture b and c. Scale bar, 200 μmBack to article page