Centrose was a substance. In 2370 it was one of the ingredients in an anesthetic drink that Quark wanted Julian Bashir to take in the hopes that it would impair the doctor's performance in a game of racquetball against Miles O'Brien aboard Deep Space 9. It showed up in a list of ingredients in Substance analysis report 4611. (DS9: "Rivals") The name of this ingredient appears only in a computer screen graphic.