Earlobe crease.
D044383:Black People; D002140:California; D002681:China / Q000208:ethnology; D003327:Coronary Disease / Q000453:epidemiology* / Q000235:genetics; D004431:Ear, External / Q000033:anatomy & histology*; D006254:Hawaii; D006630:Hispanic or Latino; D006801:Humans; D008297:Male; D044465:White People; D001741:Black or African American