title: The congenital origin of pilonidal sinus.
mesh_terms: D000293:Adolescent; D001344:Autopsy; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010864:Pilonidal Sinus / Q000151:congenital* / Q000453:epidemiology / Q000209:etiology / Q000235:genetics / Q000473:pathology