1. 
   Navicula
   Navicula is a genus of boat-shaped microbes (microorganisms) that are a type of phytoplankton or algae — primarily aquatic, eukaryotic, photosynthetic organisms, ranging in size from a single cell. Navicula is a diatom. The Navicula genus of diatoms comprises more than 10,000 species. Navicula is...
   Found op http://en.wikipedia.org/wiki/Navicula
   
   
2. 
   navicula
   A small boat-shaped structure. ... Origin: L. Dim of navis, ship ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?navicula
   
   
3. 
   Navicula
   (from the article `algae`) ...tens of thousands more species described from fossil diatomite deposits; Cyclotella and Thalassiosira (centrics) and Navicula and Nitzschia ...
   Found op http://www.britannica.com/eb/a-z/n/19
   
   
4. 
   navicula
   Type: Term Pronunciation: nă-vik′yū-lă Definitions: 1. A small boat-shaped structure.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=58871
   
   

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