Neck Neck The neck is the part of the body, on many vertebrates, that separates the head from the torso. It contains blood vessels and nerves that supply structures in the head to the body. These in humans include part of the esophagus, the larynx, trachea, and thyroid gland, major blood vessels including the carotid arteries and jugular veins, and the top part of the spinal cord. In anatomy, the neck is also called by its Latin names, cervix or collum, although when used alone, in context, the word "cervix" more often refers to the uterine cervix, the neck of the
Anterior spinal veins the intramedullary and extramedullary systems which are sets of highly reliable veins. This is because they are vastly redundant in what they do and so only fail under exceedingly unfavorable conditions. Their dependability can be compromised, however, by the bridge that connects them. This fragile link across the dura mater of the spine is known as the radiculomedullary veins. Although these veins connect the trustworthy intramedullary and extramedullary veins, they have no support network to protect them and are seen in much fewer numbers by comparison. This may lead to complications such as thrombosis. For example patients that have spinal