Wholemount in situ hybridisation on stage 24 chick embryo with Shh DIG labelled probe, visualised with NBT/BCIP.
Signal shown in red is volume rendered.
Stained specimen courtesy of Allyson Clelland and Cheryll Tickle, University of Dundee, and scanned by Richard Buckland at MRC Human Genetics Unit.
To see virtual section movies of this embryo click here.
© Medical Research Council Technology 2010
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