peripheral nervous system 外周神经系统 Neville Cobbe The peripheral nervous system of a University of Edinburgh wild-type (Canton-S)Drosophila melanogaster embryo. microtubule-associated protein: The actively dividing cells the nuclei 图片来自 http://www.invitrogen.com/site/us/en/home/sup port/Research-Tools/Image-Gallery/Image- Detail.alternatelD.g001290.html Optical Section and Z-Series Projection 图片来自http://www.microscopyu.com/articles/confocal/confocalintroimaging.html