DescriptionHedgehogActive.svg English: Schematic of a Hedgehog cell signaling pathway Date 19 October 2014 Source en:File:HedgehogActive.png Author Fred
File:HedgehogActive.svg is a vector version of this file. It should be used in place of this PNG file when not inferior. File:HedgehogActive.png → File:HedgehogActive
Wikimedia Commons file: Wingless and Hedgehog reciprocal signaling during segmentation of Drosophila embryos.svg (author: Fred the Oyster). It was rebuilt