The spinal cord is one of the most important organs of the human body, controlling most of our movements and sensations. The venous system of the spinal cord consists of many veins that collect blood from the nervous tissue and drain it to the heart. One of the most important veins of the spinal cord are the median anterior veins.
Veins median anterior, or v. medianae medullae spinalis anteriores, are located along the anterior surface of the spinal cord and collect blood from the middle part of the anterior medulla. They begin at the lower end of the spinal cord and run up its length, collecting blood from various parts of the nervous tissue.
Venous blood collected in the median anterior veins usually drains into the inferior cephalic vein (v. basilaris) or into the superior cephalic vein (v. cerebralis superior). However, in some cases, they can connect with other veins of the spinal cord and form a complex venous network.
It is important to note that the median anterior veins are not the only veins of the spinal cord. In fact, blood is also drained from it through the median posterior and lateral veins, as well as through the veins that enter the spinal cord from the tissues surrounding it.
In conclusion, the median anterior veins are an important part of the spinal cord venous system, collecting blood from the medial portion of the anterior medulla and draining it to the heart. They are one of many elements of the complex venous network of the spinal cord, which plays an important role in the functioning of this organ.