A gene control element for human outer ear development shows activity in the gills (green) of a 2-week old zebrafish (Image by Mathi Thiruppathy/Crump Lab/USC Stem Cell)

An earful of gill: USC Stem Cell study points to the evolutionary origin of the mammalian outer ear

The outer ear is unique to mammals, but its evolutionary origin has remained a mystery. According to a new study published in Nature from the USC Stem Cell lab of Gage Crump, … Continue reading An earful of gill: USC Stem Cell study points to the evolutionary origin of the mammalian outer ear

USC Stem Cell