A two day-old twin zebrafish embryo with one shared yolk and tail but two fully developed heads touching each other at the nose.

  • Ingrid Lekk, Dr Steve Wilson

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: A two day-old twin zebrafish embryo with one shared yolk and tail but two fully developed heads touching each other at the nose. Ingrid Lekk, Dr Steve Wilson. Source: Wellcome Collection.

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