Vena Maxillaris is a medical term used to refer to the veins that run through the jawbone. Some of the synonyms for this term include maxillary vein, maxillary artery, and facial vein. The maxillary vein is responsible for draining deoxygenated blood from the maxillary teeth and the rest of the face to the internal jugular vein. It can be identified easily by its location in the cervical region of the body. The vena maxillaris is an important part of the circulatory system and it is necessary for proper body functioning. It is sometimes used by medical professionals to diagnose and treat certain conditions.