Anterior Commissure Microweb A tiny webbing between the vocal cords at the anterior commissure, where the two cords meet. Some think that an anterior commissure microweb can help to cause vocal nodules, but we do not see any such relationship. Photos: Microweb: Series of 2 photos Microweb (1 of 2) Microweb (1 of 2) Subtle vocal cord swellings, mid-membranous cord. This patient also has a microweb, not visible in this view. Microweb (2 of 2) Microweb (2 of 2) Same patient, at closer range, showing the microweb at the anterior commissure.