| Name: | atrial myocardium | 
|---|---|
| Synonyms: | |
| Definition: | Myocardium of the heart atrium. | 
| Ontology: | Anatomy Ontology [ZFA:0001374] | 
| Name: | left side | 
|---|---|
| Synonyms: | left | 
| Definition: | The side of an organism that is left of the sagittal plane. | 
| Ontology: | Spatial Ontology [BSPO:0000000] |