gastrointestinal(of or pertaining to the stomach and intestines) adjective [UK: ˌɡæ.strəʊɪn.ˈte.stɪn.l̩] [US: ˌɡæstro.ʊɪn.ˈte.stɪn.l̩]
gastrointestinální trakt noun {m}
digestive tract [digestive tracts](system of organs within multicellular animals which takes in food) noun [UK: dɪ.ˈdʒe.stɪv trækt] [US: daɪ.ˈdʒe.stɪv ˈtrækt]