<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo I-Polyneuropathies ingahlukaniswa ngezindlela ezahlukene, njengokuthi kubangelwa yini, ngesivinini sokuthuthuka, noma ngezingxenye zomzimba ezithintekayo.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yalesi sigwebo ithi Ama-Polyneuropathies angahlukaniswa ngezindlela ezihlukahlukene, njengokuthi kubangelwa yini, ngesivinini sokuqhubeka kwawo, noma ngezigaba ze-polyneuropathy, ngokuqondene nokuthi iyiphi ingxenye yeseli yezinzwa ethintekile ngokuyinhloko: i-axon, i-myelin sheath, noma umzimba weseli. 