Allantoin meaning

ə-lăntō-ĭn
A white, crystalline oxidation product, C4 H6 N4 O3 , of uric acid that is the metabolic end product of purine oxidation in some mammals and is used in some dermatological preparations as an astringent. It is also found in allantoic fluid, amniotic fluid, and fetal urine.
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An oxidation product of uric acid, C4 H6 N4 O3 , found in the urine of most mammals (except humans and related primates) as the metabolic end product of purine oxidation, and also found in some plants. It is also produced synthetically and is often used in cosmetics and pharmaceuticals.
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(biochemistry) A diureide of glyoxylic acid, used in various pharmaceutical and cosmetic products; or a derivative of this compound.
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Origin of allantoin

  • allanto(is) –in

    From American Heritage Dictionary of the English Language, 5th Edition

  • From allantois, an amniote embryonic excretory organ in which it concentrates during development in most mammals

    From Wiktionary