title: Teratomas and yolk-sac tumours.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004407:Dysgerminoma / Q000473:pathology*; D005260:Female; D005854:Germ Cells / Q000502:physiology; D006066:Gonads / Q000196:embryology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D010051:Ovarian Neoplasms / Q000209:etiology / Q000473:pathology*; D012445:Sacrococcygeal Region; D013724:Teratoma / Q000209:etiology / Q000473:pathology*; D013736:Testicular Neoplasms / Q000145:classification / Q000209:etiology / Q000473:pathology*