Usage History of 'introns'

The following chart shows how frequently 'introns' appeared in printed materials over time. For example, the word 'introns' occurred 2 times in books in 1846 and 20,498 times in 2008. From 1846 to 2008, the word 'introns' was used a total of 318,257 times in books scanned by Google. See Reference: Google Ngram project.

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