To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Video 1 Noradrenaline enhances SMC contractions. The video (http://movie-usa.glencoesoftware.com/video/10.1530/REP-17-0754/video-1) from the online version of the article is available at https://doi.org/10.1530/REP-17-0754. Contractility of the epididymal duct: function, regulation and potential drug effects V Elfgen, A Mietens, M Mewe, T Hau, and R Middendorff 2018. 156:R125-R141 DOI: 10.1530/REP-17-0754 Download Original Video