Term: heart tube superior side
Name: heart tube
Synonyms:
Definition: Cavitated compound organ that will become the adult heart following looping morphogenesis and valve formation.
Ontology: Anatomy Ontology [ZFA:0000360]

Name: superior side
Synonyms: cranial, superior
Definition: The side that is higher relative to the substrate.
Ontology: Spatial Ontology [BSPO:0000022]