Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Embryonic Drosophila CNS, proteins and transcription factors. Dr Andrea H. Brand. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/B0005615/full/800%2C/0/default.jpg)
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Embryonic Drosophila CNS, proteins and transcription factors. Dr Andrea H. Brand. Source: Wellcome Collection.