Deformations and disruptions Teratogenic agents Chromosomal syndromes I: common and/or well known syndromes Chromosomal syndromes II: unusual variants METABOLIC DISORDERS the mucopolysaccharidoses the oligosaccharidoses and related disorders metabolic disorders and dysmorphic features Syndromes affecting bone I: the osteogenesis imperfectas Syndromes affecting bone II: chondrodysplasias and chondrodystrophies Syndromes affecting bone III: craniotubular bone disorders Syndromes affecting bone IV: other skeletal disorders Proportionate short stature syndromes Overgrowth syndromes and postnatal onset obesity syndromes Hamartoneoplastic syndromes Syndromes affecting the skin and mucosa Syndromes with craniosynostosis I: general aspects and well known syndromes Syndromes with craniosynostosis II: miscellaneous syndromes Syndromes of abnormal craniofacial contour Syndromes affecting the central nervous system Syndromes with contractures BRANCHIAL ARCH AND ORO-ACRAL DISORDERS branchial arch syndromes oromandibular-limb hypogenesis syndromes oro-facial-digital syndromes otopalatal digital syndromes Orofacial clefting syndromes I: general aspects Orofacial clefting syndromes II: common and/or well known syndromes Orofacial clefting syndromes III: other syndromes Orofacial clefting syndromes IV: associations Syndromes with unusual facies I: well known syndromes Syndromes with hypertelorism Syndromes with unusual nasal anomalies Syndromes with unusual ocular anomalies Syndromes with facial fat atrophy Syndromes with unusual facies II: other syndromes Syndromes with gingival-periodontal components Syndromes with unusual dental findings Miscellaneous syndromes I: well known syndromes Miscellaneous syndromes II: other syndromes Appendix.