Term: heart formation of a compartment boundary
Name: heart
Synonyms:
Definition: Blood pumping organ composed of four components: sinus venosus, atrium, cardiac ventricle and bulbus arteriosus.
Ontology: Anatomy Ontology [ZFA:0000114]

Name: formation of a compartment boundary
Synonyms: compartment boundary formation
Definition: Formation of a lineage restriction boundary within a developing tissue which does not correspond to some morphological barrier.
Ontology: GO: Biological Process [GO:0060288]    QuickGO    AmiGO