Methods used include dissection, in which a body is opened and its organs studied, and endoscopy, in which a video camera-equipped instrument is inserted through a small incision in the body wall and used to explore the internal organs and other structures.
mˈɛθədz jˈuːzd ɪŋklˈuːd daɪsˈɛkʃən, ɪnwˌɪtʃ ɐ bˈɑːdi ɪz ˈoʊpənd ænd ɪts ˈɔːɹɡənz stˈʌdid, ænd ɛndˈoʊskəpi, ɪnwˌɪtʃ ɐ vˈɪdɪoʊ kˈæmɹəɪkwˈɪpt ˈɪnstɹəmənt ɪz ɪnsˈɜːɾᵻd θɹuː ɐ smˈɔːl ɪnsˈɪʒən ɪnðə bˈɑːdi wˈɔːl ænd jˈuːzd tʊ ɛksplˈoːɹ ðɪ ɪntˈɜːnəl ˈɔːɹɡənz ænd ˈʌðɚ stɹˈʌktʃɚz.