Head and neck anatomy may be important in the development of the BBB. Astrocytes may also be responsible for transporting ions (electrolytes) from the brain to the blood. Blood from the brain and neck flows from: (1) within the cranium via the internal jugular veins, a continuation of the sigmoid sinuses. The right and left external jugular veins drain from the parotid glands, facial muscles, scalp into the subclavian veins. The right and left vertebral veins drain the vertebrae and muscles into the right subclavian vein and into the superior vena cava, into the right atrium of the heart. The lymphatic system drains the
Head and Neck Cancer Alliance Head and Neck Cancer Alliance The Head and Neck Cancer Alliance (HNCA) is a non-profit organization that works with health professionals and organizations, celebrities and survivors to enhance the overall effort in prevention, treatment, and detection of cancers of the head and neck region. The Head and Neck Cancer Alliance was established in 2008. Formerly the Yul Brynner Head and Neck Cancer Foundation, HNCA activities include: • Providing support to head and neck cancer patients throughout the year • Supporting ongoing research in head and neck oncology • Educating children and adults in the disease process, treatment and prevention of