Source:http://linkedlifedata.com/resource/umls/id/C0795871
JABL: Duplication of the long arm of chromosome 19 with psychomotor retardation, microbrachycephaly, open cranial sutures, downslanting palpebral fissures, blepharoptosis, hypertelorism, downturned corners of the mouth, and short nose. The severity of symptoms is related to the length of the duplicated segment.