This image is a derivative work of the following images: Image:Labeledstemforposter_copy.jpg licensed with PD-self 2006-08-15T01:16:39Z Rrm2 1300x1030 (246912
эпидерма Date 13 November 2007 Source own work based on Image:Labeledstemforpostercopy.jpg by Ryan R. McKenzie Author SuperManu Permission (Reusing this