Term: atrial myocardium myofilament
Name: atrial myocardium
Synonyms:
Definition: Myocardium of the heart atrium.
Ontology: Anatomy Ontology [ZFA:0001374]

Name: myofilament
Synonyms: striated muscle filament
Definition: Any of the smallest contractile units of a myofibril (striated muscle fiber).
Ontology: GO: Cellular Component [GO:0036379]    QuickGO    AmiGO