Term: heart valve proximal region
Name: heart valve
Synonyms: heart valves
Definition: Multi-tissue structure composed of leaflets that separate parts of the heart, preventing blood backflow.
Ontology: Anatomy Ontology [ZFA:0005065]

Name: proximal region
Synonyms:
Definition: Anatomical region proximally located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000077]