Methods have also improved dramatically, advancing from the examination of animals by dissection of carcasses and cadavers (corpses) to 20th-century medical imaging techniques, including X-ray, ultrasound, and magnetic resonance imaging.
mˈɛθədz hæv ˈɔːlsoʊ ɪmpɹˈuːvd dɹəmˈæɾɪkli, ɐdvˈænsɪŋ fɹʌmðɪ ɛɡzˌæmᵻnˈeɪʃən ʌv ˈænɪməlz baɪ daɪsˈɛkʃən ʌv kˈɑːɹkəsᵻz ænd kɐdˈævɚz kˈɔːɹpsᵻz tə twˈɛntiəθsˈɛntʃɚɹi mˈɛdɪkəl ˈɪmɪdʒɪŋ tɛknˈiːks, ɪŋklˈuːdɪŋ ˈɛksɹˈeɪ, ˌʊltɹɐsˈaʊnd, ænd mæɡnˈɛɾɪk ɹˈɛzənəns ˈɪmɪdʒɪŋ.