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.
Princeton's WordNet (0.00 / 0 votes) Rate this definition: crescent (adj). any shape resembling the curved shape of the moon in its first or last quarters. crescent(a), crescent-shaped, semilunar, lunate (adj).resembling the new moon in shape.he figure of the moon as it appears in its first or last quarter, with concave and convex edges terminating in points. crescent (Noun). Something shaped like a crescent, especially: crescent (Noun). A crescent spanner. crescent (Verb). To form into a crescent, or something resembling a crescent.