It is a clinical syndrome characterized by disturbance  of function of peripheral nerves either motor or sensory or mixed or autonomic.Stars affecting the distal part,them gradually progresses proximally.👩‍⚕️👩‍⚕️👩‍⚕️👩‍⚕️👩‍⚕️👩‍⚕️👩‍⚕️👩‍⚕️👩‍⚕️👩‍⚕️👩‍⚕️👩‍⚕️