Sperm sheets in envelope (IMAGE)

Cell Press

Sperm sheets in envelope

Caption

This photo shows how sperm sheets were put in the envelope. The sheet and envelop were posted in the mailbox without any protection.

Credit

Daiyu Ito, University of Yamanashi.

Usage Restrictions

Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms.

License

CC BY-NC-SA

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