尿膽原 [－胆－]

Jyutping niu6 daam2 jyun4
Pinyin niào dǎn yuán

Definitions (Wiktionary)
  1. noun
    Synonym of 尿膽素原／尿胆素原 (niàodǎnsùyuán, “urobilinogen”).
    (syn.) 尿膽素原, 尿胆素原