Rotating image of human brain, illustrating the lateral sulcus in the brain. The term sulcus (pl. sulci) is a general descriptive term for a furrow or fissure.
Halo may refer to: 1  Halo (religious iconography), a glow or ring of light around a head or person in art. 2  Halo (series), video game franchise.
The halo is a device for treatment of unstable cervical and upper thoracic fractures and dislocations from C1 to T3. The halo provides greater motion restriction than any other cervical orthosis. The halo ring is made of graphite or metal, with pin fixation on the frontal and parietal-occipital areas of the skull.