Rangarira ndima iri pasi apa uye wozopindura mubvunzo unotevera mumutauro mumwe chete sezvinoita ndima yacho: Passage: The optic nerve is composed of retinal ganglion cell axons and glial cells. Nervous optic nervous imwe neimwe yomunhu ine pakati pe770,000 ne1.7 mamiriyoni emagetsi emagetsi, ayo ari axons e retinal ganglion cells ye retina imwe. Mu fovea, iyo ine hukuru hwepamusoro, aya masero e ganglion anobatanidza kune mashoma se5 photoreceptor masero; mune dzimwe nzvimbo dze retina, vanobatanidza kune zviuru zvakawanda zve photoreceptors. Mubvunzo: Ndezvipi zvinonzi nerve fibers izvo nerve optic yomunhu ine
770 000 uye mamiriyoni 1,7