These are all taken in the course of developing photographic techniques and skills for science and public involvement.  All these images are taken by DAF.   Photograph of embryonic chicken wing by me, DAF.
       
     
3D Imaging
       
     
 Reaction diffusion (R-D) model tests using a two or three reactant model.  The implementations are mine in MATLAB coding environment using models from Sheth et al. 2012 and Raspopovic et al. 2014.     Raspopovic J, Marcon L, Russo L, Sharp
       
     
 This image shows the expression of  EphB1  in the hindlimb of a chicken embryo.  I have often used the method used to create it, whole mount  in situ  hybridization.