Name:	myocardium
Synonyms:	cardiac muscle, heart muscle
Definition:
Ontology:	Anatomy Ontology [ZFA:0001319]

Name:	Z disc
Synonyms:	Z band, Z disk, Z line
Definition:	Platelike region of a muscle sarcomere to which the plus ends of actin filaments are attached.
Ontology:	GO: Cellular Component [GO:0030018] QuickGO AmiGO