A colourless substance that may be converted into melanin; e.g., some patients with widespread metastases of melanoma excrete melanogen in their urine, and melanin is formed when the urine is exposed to air (i.e., oxidised) for a few hours. ... Origin: melanin + G. -gen, producing ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973
(mә-lan´o-jәn) a colorless chromogen, convertible into melanin, which may occur in the urine in certain diseases.
Found on
http://www.encyclo.co.uk/local/21001
Type: Term Pronunciation: mĕ-lan′ō-jen, mel′ă-nō-jen Definitions: 1. A colorless substance that may be converted into melanin; some patients with widespread metastases of melanoma excrete melanogen in their urine, and melanin is formed when the urine is exposed to air (oxidized) for a few hours.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=53696
No exact match found.
