This should work for a confocal, so I cannot embed the pellet in paraffin... Can anybody share a protocol with me? Thank you very much for advice! Margaret Margarete Vermehren LMU München / Tieranatomie II Tel: +49 89 21805857 Fax: +49 89 21802569 m.vermehren <@t> anat.vetmed.uni-muenchen.de