Engraving: Growth of chick embryo at days 21-24, 1625.
Licence: Public Domain Mark
Credit: Engraving: Growth of chick embryo at days 21-24, 1625. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0007940/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Engraving: Growth of chick embryo at days 21-24, 1625. Wellcome Collection. Source: Wellcome Collection.