gastrointestinal
adjective medical specialized uk/ˌɡæs.trəʊˌɪn.tesˈtaɪ.nəl/ us/ˌɡæs.troʊ.ɪnˈtes.tən.əl/
胃肠（里）的;与肠胃相关的
in or relating to both the stomach and the intestine (= the long tube that food passes through after the stomach)
the gastrointestinal tract 胃肠道
gastrointestinal bleeding 胃肠出血