Figure 1: Normal components of the tendinous-sling meshwork in the colon: longitudinal fibers (black arrows) running parallel to each other within the inner circular and the outer longitudinal muscle layers, peri-myenteric plexus transverse fibers (thick white arrows), and transversely oriented inter-myenteric fibers (dotted black arrows). Orcein stain (1a and 1b), Masson's trichrome stain (1c and 1d).