cathodal

(kath-o’dal). Of or pertaining to the cathode. c. closure clonus (CCC)), clonic muscular contraction occurring at the cathode when the electric circuit is closed. c. closure contraction, includes cathodal closure clonus and cathodal closure tetanus. c. closure tetanus (CCTe), tetanic muscular contraction occurring at the cathode when the electric circuit is closed. c. opening clonus (COC)), clonic muscular contraction taking place in the muscles at the cathode when the circuit is opened or broken. c. opening contraction, includes cathodal opening clonus and cathodal opening tetanus. Ο. opening tetanus (COTe), tetanic muscular contraction taking place at the cathode when the electric current is opened or broken.