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Pronunciation: pen'ton

Definition: The pentagonal capsomere (p. base) along with the protruding fiber at each of the 12 vertices of the adenovirus capsid; antigenically, the penton base differs from the fiber, and both differ from the other (hexagonal) capsomeres.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.