Term: digestive system compound organ
Name: digestive system
Synonyms:
Definition: Anatomical system that processes ingested substances.
Ontology: Anatomy Ontology [ZFA:0000339]

Name: compound organ
Synonyms: organ
Definition: Anatomical structure that has as its parts two or more multi-tissue structures of at least two different types and which through specific morphogenetic processes forms a single distinct structural unit demarcated by bona fide boundaries from other distinct anatomical structures of different types.
Ontology: Anatomy Ontology [ZFA:0000496]