Term: atrioventricular canal cardiac jelly
Name: atrioventricular canal
Synonyms: AV canal, AVC
Definition: The part of the heart connecting the atrium to the cardiac ventricle.
Ontology: Anatomy Ontology [ZFA:0001315]

Name: cardiac jelly
Synonyms:
Definition: The extracellular matrix between the myocardium and the endocardium. The cardiac jelly plays a central role in the septation of the heart and comprises most of the thickness of the heart wall at early stages, but disappears as the heart differentiates.
Ontology: Anatomy Ontology [ZFA:0001318]