| Nominative | Accusative | Dative | Genitive |
| No Article |
Magen-Darm-Trakt |
Magen-Darm-Trakt |
Magen-Darm-Trakt/Magen-Darm-Trakte |
Magen-Darm-Traktes/Magen-Darm-Trakts |
| |
| Definite Article |
der Magen-Darm-Trakt |
den Magen-Darm-Trakt |
dem Magen-Darm-Trakt/Magen-Darm-Trakte |
des Magen-Darm-Traktes/Magen-Darm-Trakts |
| |
| Indefinite Article |
ein Magen-Darm-Trakt |
einen Magen-Darm-Trakt |
einem Magen-Darm-Trakt/Magen-Darm-Trakte |
eines Magen-Darm-Traktes/Magen-Darm-Trakts |
| |
Plural
No Article |
Magen-Darm-trakte |
Magen-Darm-trakte |
Magen-Darm-trakten |
Magen-Darm-trakte |
| |
Plural
Definite Article |
die Magen-Darm-trakte |
die Magen-Darm-trakte |
den Magen-Darm-trakten |
der Magen-Darm-trakte |
