Term: heart tube formation
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: tube formation
Synonyms: lumen formation in an anatomical structure, tube lumen formation
Definition: Creation of the central hole of a tube in an anatomical structure through which gases and/or liquids flow.
Ontology: GO: Biological Process [GO:0035148]    QuickGO    AmiGO