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
Incognito: The Secret Lives of the Brain Incognito: The Secret Lives of the Brain Incognito: The Secret Lives of the Brain is a New York Times bestselling non-fiction book by American neuroscientist David Eagleman, an adjunct professor at Stanford University. "If the conscious mind - the part you consider to be you - is just the tip of the iceberg, what is the rest doing?" This is the main question throughout the entirety of the book. In "Incognito", Eagleman contends that most of the operations of the brain are inaccessible to awareness, such that the conscious mind "is like a stowaway on a transatlantic steam ship, taking