This image from Scott McLeod from Jerry Lutty’s lab, is a wholemount human retina preparation triple labeled with fluorescent antibodies that stain blood vessels (blue), astrocytes (red) and microglia (green). The specimen was imaged on a Zeiss 710 Confocal Microscope and is merged from 46 optical Z sections.
It originally appeared on Flickr here. You can see more of Scott’s work on his Flickrstream.