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.
arc. 1  Geometry. any unbroken part of the circumference of a circle or other curved line. 2  Also called electric arc. 3  Astronomy. the part of a circle representing the apparent course of a heavenly body. 4  anything bow-shaped. 5  to form an electric arc. 6  to move in a curve suggestive of an arc.