Term: bulbus arteriosus heart contraction
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 contraction
Synonyms: cardiac contraction, heart beating, hemolymph circulation
Definition: The multicellular organismal process in which the heart decreases in volume in a characteristic way to propel blood through the body.
Ontology: GO: Biological Process [GO:0060047]    QuickGO    AmiGO