Term: sinoatrial valve basal region
Name: sinoatrial valve
Synonyms: sinoatrial valves
Definition: Heart valve that forms between the atrium and the sinus venosus.
Ontology: Anatomy Ontology [ZFA:0000680]

Name: basal region
Synonyms:
Definition: Anatomical region located basally on the body or body part.
Ontology: Spatial Ontology [BSPO:0000074]