concept

Mouse blastocyst 3.5 days after fertilisation

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We're experiencing some technical problems in the library today. 

If you’re visiting us, you won’t be able to print or use our PCs or laptops. If you want to sign-up for a free library membership, we’ll give you a temporary card for today and complete your membership next time you visit.

You can access items from the collection as usual and our team is on hand to help. Thank you for your patience while we resolve these issues. 

We're running paid user research studies to improve Wellcome Collection online

Lyndsey Butterworth, Newcastle University

Images from the collections

Images by Lyndsey Butterworth, Newcastle University

Works from the collections

Mouse blastocyst 3.5 days after fertilisation