Transverse ligament of atlas former is attached to the basilar part of the occipital bone, in close relation with the membrana tectoria; the latter is fixed to the posterior surface of the body of the axis; hence, the whole ligament is named the cruciate ligament of the atlas. The transverse ligament divides the ring of the atlas into two unequal parts: of these, the posterior and larger serves for the transmission of the medulla spinalis and its membranes and the accessory nerves; the anterior and smaller contains the odontoid process. The neck of the odontoid process is constricted where it is embraced posteriorly by
The Atlas of Economic Complexity of Economic Complexity was launched in 2011. In 2013, Harvard's Center for International Development released a version of the OEC entitled the Atlas online. The Harvard version also builds on the original code base developed by Alex Simoes at the MIT Media Lab. The data are from the following data sources, cleaned and made compatible: The Atlas is distributed under a creative commons license which makes it free for non-commercial use. The Atlas of Economic Complexity The Atlas of Economic Complexity is a 2011 economics book by Ricardo Hausmann, Cesar A. Hidalgo, Sebastián Bustos, Michele Coscia, Sarah Chung, Juan Jimenez,