Anterior view of the spinal cord within a transparent image of the body.

Superior view of the brain, which is transparent, showing the inner structures in color.

Inferior view of the circle of Willis which provides the arterial blood supply to the brain (posterior inferior cerebellar arteries).

Inferior view of the circle of Willis which provides the arterial blood supply to the brain (posterior inferior cerebellar arteries).

Posterior view of head of infant, skull and brain are illustrated. A fiber-optic transducer-tipped catheter has been inserted through a subarachnoid bolt into the white matter of the brain.

Posterior view of brain within a transparent head.