Herophilus also distinguished between veins and arteries, noting that the latter pulse while the former do not.
hˈiəɹoʊfˌɪləs ˈɔːlsoʊ dɪstˈɪŋɡwɪʃt bᵻtwˌiːn vˈeɪnz ænd ˈɑːɹɾɚɹiz, nˈoʊɾɪŋ ðætðə lˈæɾɚ pˈʌls wˌaɪl ðə fˈɔːɹmɚ duːnˈɑːt.