melanogen


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melanogen

 [mĕ-lan´o-jen]
a colorless chromogen, convertible into melanin, which may occur in the urine in certain diseases.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

me·la·no·gen

(mĕ-lan'ō-jen, mel'ă-nō-jen),
A colorless substance that may be converted into melanin; for example, some patients with widespread metastases of melanoma excrete melanogen in their urine, and melanin is formed when the urine is exposed to air (that is, oxidized) for a few hours.
[melanin + G. -gen, producing]
Farlex Partner Medical Dictionary © Farlex 2012

melanogen

Any of a group of colourless melanin-related compounds (e.g., cysteinyldopa), which may be excreted in urine in patients with advanced melanoma.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

me·la·no·gen

(mĕ-lan'ŏ-jen)
A colorless substance that may be converted into melanin.
[melanin + G. -gen, producing]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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