During the third century, Greek physicians were able to differentiate nerves from blood vessels and tendons and to realize that the nerves convey neural impulses.
dˈʊɹɹɪŋ ðə θˈɜːd sˈɛntʃɚɹi, ɡɹˈiːk fɪzˈɪʃənz wɜːɹ ˈeɪbəl tə dˌɪfɚɹˈɛnʃɪˌeɪt nˈɜːvz fɹʌm blˈʌd vˈɛsəlz ænd tˈɛndənz ænd tə ɹˈiːəlaɪz ðætðə nˈɜːvz kənvˈeɪ nˈʊɹɹəl ˈɪmpʌlsᵻz.