Architecture of the peripheral nerve -- Clinical evaluation and differential diagnosis -- Elecrodiagnostic evaluation of hereditary polyneuropaties -- Principles of pathology and nerve biopsy -- Overview of the classification and genetics of hereditary peripheral neuropathies and rare unclassified forms -- Charcot-Marie-Tooth disease type 1 (CMT1) and hereditary neuropathy with liability to pressure palsy (HNPP) -- CMT2, dominant intermediate CMT and CMTX -- Distal hereditary motor neuropathies (dHMN) -- Hereditary sensory and autonomic neuropathies (HSAN) -- Hereditary neuralgic amyotrophy (HNA) -- Molecular genetic diagnosis of hereditary neuropathies -- Genetic counseling -- Medical treatment of hereditary neuropathies -- Orthopedic aspects in diagnosis, clinical management and therapy of CMT patients -- Animal models of hereditary neuropathies.