Medical Definition of Ubiquitous
Ubiquitous: Present everywhere. The small protein called ubiquitin was so-named because it is present in all types of cells and its amino acid sequence is identical in all creatures from insects to humans.
Source: MedTerms™ Medical Dictionaryhttp://www.medicinenet.com/script/main/art.asp?articlekey=26111
Last Editorial Review: 5/13/2016
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