purine /pūrˈin or pūrˈēn/ or purin /pūˈrin/

1. A cyclic double-ring crystalline substance C₅H₄N₄, which with oxygen forms uric acid (C₅H₄N₄O₃), and with many derivatives
2. Any of a number of these derivatives, cyclic diureides, such as adenine and guanine, esp one which is part of the nucleotide chains of DNA and RNA

• plasminogen
• plasminogens
• plasmins
• plasmodesm
• plasmodesma
• plasmodesmata
• plasmodesms
• plasmodia
• plasmodial
• plasmodium
• plasmogamies
• plasmogamy
• plasmolyse
• plasmolysed
• plasmolyses
• plasmolysing
• plasmolysis
• plasmolytic
• plasmolyze
• plasmolyzed
• plasmolyzes
• plasmolyzing
• plasmon
• plasmons
• plasmosoma