title: A case of quintuple-X syndrome (49,XXXXX).
mesh_terms: D001132:Arm / Q000002:abnormalities; D003582:Cytogenetics; D003878:Dermatoglyphics; D005149:Facial Expression; D005260:Female; D006330:Heart Defects, Congenital; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000209:etiology; D007621:Karyotyping; D007866:Leg / Q000002:abnormalities; D009061:Mouth Mucosa / Q000166:cytology; D010641:Phenotype; D012728:Sex Chromatin; D012729:Sex Chromosome Aberrations