Usage History of 'spermatids'

The following chart shows how frequently 'spermatids' appeared in printed materials over time. For example, the word 'spermatids' occurred 2 times in books in 1805 and 2,286 times in 2008. From 1805 to 2008, the word 'spermatids' was used a total of 149,341 times in books scanned by Google. See Reference: Google Ngram project.

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