1. 
   tunicin
   <physiology> Animal cellulose; a substance present in the mantle, or tunic, of the Tunicates, which resembles, or is identical with, the cellulose of the vegetable kingdom. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?tunicin
   
   
2. 
   Tunicin
   • (n.) Animal cellulose; a substance present in the mantle, or tunic, of the Tunicates, which resembles, or is identical with, the cellulose of the vegetable kingdom.
   Found op http://thinkexist.com/dictionary/meaning/tunicin/
   
   

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