Topics and purpose of this book. The musculoskeletal system of a 28-week human Trisomy 18 cyclopia fetus. Comparative anatomy of muscular anomalies of Trisomies 13, 18, and
21. Cyclopia, trisomic anomalies, and order versus chaos in development and evolution. Digits and muscles: topology-directed muscle attachment. Evolutionary theory and mouse models for Down syndrome. Appendix A - Dissection photographs of Trisomy 18 human cyclopia fetus. Appendix B - 3-D renders of Trisomy 18 human cyclopia fetus CT scan data. References. Index.