Mandala generated from Rainbow Epithelia:
 

A beautiful meeting of two tissue layers - the ectoderm and the amnioserosa - in the developing Drosophila embryo.

42x magnification. Confocal micrograph. Mandala effect generated in Photoshop.

(For aficionados, the yellow cellular component labelled here is EB1, a microtubule +-tip tracker.)

Imaged using an Olympus Fluoview 1000 in the laboratory of my gracious mentor, Dr Nick Brown (Cambridge University), with funding from the BBSRC, and gratitude to my PhD supervisor, Dr Katja Roper (MRC-LMB, Cambridge University).