The anterior horn cells, although technically part of the central nervous system (CNS), are sometimes discussed with the peripheral nervous system because they are part of the motor unit. In the peripheral nervous system, bundles of nerve ï¬bers or axons conduct information to and from the central nervous system.
Medical Definition of arciform. : having the form of an arch lesions of tinea corporis in arciform configurations.
Definition of 'arc'. arc. An arc is a smoothly curving line or movement. The Aleutian chain is a long arc of islands in the North Pacific. In geometry, an arc is a part of the line that forms the outside of a circle. If something arcs in a particular direction, it makes a smoothly curving line or movement.