Term: cardiac ventricle Z disc
Name: cardiac ventricle
Synonyms: ventricle
Definition: Cavitated compound organ that receives blood flow from the atrium and delivers blood to the body via the aorta. Valves are present to direct flow. There are only two chambers present in the fish heart.
Ontology: Anatomy Ontology [ZFA:0000009]

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