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.
Summary Information: Halo traction device. Halo traction device: A halo traction device is a ring with points that penetrate the skin and make contact with the skull around the head circumference, with the intention of immobilizing the entire head and neck region.