Term: bulbus arteriosus heart valve
Name: bulbus arteriosus
Synonyms: cardiac outflow tract, outflow tract, truncus
Definition: Multi-tissue structure that consists of three layers and through which the blood exits the heart. The bulbus arteriosus is a pear shaped chamber that functions as a capacitor, maintaining continuous blood flow into the gill arches.
Ontology: Anatomy Ontology [ZFA:0000173]

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]