• Early human embryo

    Date:6 November 2012 Tags:, , , ,

    Colour-enhanced scanning electron micrograph of an early human embryo. This stage occurs at about 2-3 days after fertilisation. The zona pellucida has been removed to aid visualisation. Each cell is approximately 33 microns in diameter.

    Image credit Yorgos Nikas, Wellcome Images

    You may also like:

    Latest Issue :

    July 2018