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perleť
Heslo perleť Heslo anglicky Nacre Vysvetľujúca pozn. v angl. A biomineral consisting of layers of crystalized ARAGONITE, separated by interlamellar layers of organic matrix containing beta-CHITIN, and surrounded by an intercrystalline organic membrane of silk fibroin. Nacre is the iridescent substance better known as mother-of-pearl that is secreted by MOLLUSCS. 
predmetové heslo
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