A grayish pigment occasionally found in the urine, possibly identical with urobilin.
[uro- + G. phaios, gray]
uropheinAn obsolete term for a greyish pigment found in the urine, which may include—or is the same as—urobilin.
urophein, urophaein (ū″rō-fē′ĭn) [″ + phaios, gray]
Gray pigment sometimes found in urine.