Name:	muscle cell
Synonyms:	myocyte, myofiber
Definition:	A mature contractile cell, commonly known as a myocyte, that forms one of three kinds of muscle.
Ontology:	Anatomy Ontology [ZFA:0009114]

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