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Sources:
Etymology of “uvula”
http://www.etymonline.com/index.php?term=uvula
Why do we have a uvula?: literature review and a new theory http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2273.2004.00886.x/abstract
Structure of the human uvula http://www.tandfonline.com/doi/abs/10.1080/00016489950180685
A histological comparison of the uvula between snorers and non-snorers http://onlinelibrary.wiley.com/enhanced/doi/10.1111/j.1365-2273.1995.tb01591.x
Morphology of the uvula in obstructive sleep apnea http://www.ncbi.nlm.nih.gov/pubmed/2782743