| 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: | anatomical region | 
|---|---|
| Synonyms: | |
| Definition: | A 3D region in space without well-defined compartmental boundaries; for example, the dorsal region of an ectoderm. | 
| Ontology: | Spatial Ontology [BSPO:0000070] |