The motor system and the capacity to execute highly fractionated distal extremity movements.
D000818:Animals; D005385:Fingers / Q000502:physiology*; D006225:Hand / Q000502:physiology*; D000882:Haplorhini; D009044:Motor Cortex / Q000502:physiology* / Q000601:surgery; D009068:Movement; D009434:Neural Pathways / Q000502:physiology; D014785:Vision, Ocular