<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu Polyneuropathies inogona kuiswa mumapoka nenzira dzakasiyana, dzakadai sechikonzero, nekukurumidza kwekufambira mberi, kana nezvikamu zvemuviri zvinobatanidzwa.  <response>: Chokwadi, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi Polyneuropathies inogona kurongwa nenzira dzakasiyana, dzakadai sedzinokonzera, nokukurumidza kwokufambira mberi, kana nemakirasi e polyneuropathy, maererano nechikamu chetsinga yetsinga chinokanganiswa zvikurukuru: axon, myelin sheath, kana muviri wesero. 