Definition of Tube
Tube: A long hollow cylinder. There are many tube-like structures in the human body, such as the auditory tube (Eustachian tube) in the ear.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=6297
Last Editorial Review: 4/27/2011 5:27:15 PM
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