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 Historical Atlas of China states are often given overly precise and extensive outer borders, often based on contentious claims. In his afterword to volume 8, written in 1987, Tan regretted expanding the borders of Chinese empires to encompass "jimi" and "tusi" regimes. These Wikipedia maps are drawn after "The Historical Atlas of China" (1982). Works cited The Historical Atlas of China The Historical Atlas of China () is an 8-volume work published in Beijing between 1982 and 1988, edited by Tan Qixiang. It contains 304 maps and 70,000 placenames in total. The "Concise Historical Atlas of China" () was published in 1991. The atlas