1. 
   ostium
   Latin, meaning: entrance, door.
   Found op http://archives.nd.edu/ooo.htm
   
   
2. 
   Ostium
   Os'ti·um noun ; plural Ostia . [ Latin ] (Anat.) An opening; a passage.
   Found op http://www.encyclo.co.uk/webster/O/39
   
   
3. 
   ostium
   Origin: L. ... <anatomy> An opening; a passage. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?ostium
   
   
4. 
   ostium
   (os´te-әm) Latin word meaning an opening or orifice. adj., os´tial., adj.
   Found op http://www.encyclo.co.uk/local/21001
   
   
5. 
   Ostium
   • (n.) An opening; a passage.
   Found op http://thinkexist.com/dictionary/meaning/ostium/
   
   
6. 
   ostium
   (from the article `human cardiovascular system`) ...arteries originate from the right and left aortic sinuses (the sinuses of Valsalva), which are bulges at the origin of the ascending aorta ... ...air sinuses, four on each side, are cavities in the bones that adjoin the nose. They are outgrowths fr...
   Found op http://www.britannica.com/eb/a-z/o/37
   
   
7. 
   ostium
   Type: Term Pronunciation: os′tē-ŭm, -ă Definitions: 1. A small opening, especially one of entrance into a hollow organ or canal.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=63894
   
   
8. 
   ostium
   Latin = a door, an opening, an orifice.
   Found op http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?
   
   
9. 
   ostium
   1) Latin
   Found op entrance, door
   
   

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