In anatomy and neurophysiology, this is the finding that the anterior spinal nerve roots contain only motor fibers and posterior roots only sensory fibers and that nerve impulses are conducted in only one direction in each case. The nature and the physiology of the phenomena were described independently by the British anatomical scientist Sir Charles<unk>  and the French physiologist François<unk> , later confirmed by the German physiologist Johannes Peter Müller. François<unk> Charles<unk> Johannes Peter Müller
Bell–Magendie law
Hickam's dictum
McNeill's law
Dogliotti's principle
Ribot's law
Lightwood's law
Ryan's Law
Hy's law