Anatomy Term: heart
XAO ID: 0000064
Definition: "A myogenic muscular organ found in the cardiovascular system. It is responsible for pumping blood throughout the blood vessels by repeated, rhythmic contractions. It is composed of cardiac muscle, which is an involuntary striated muscle tissue found only in this organ, and connective tissue. It is ultimately composed of three chambers (two atria and one ventricle), occupying a ventral position within the chest of the mature tadpole/frog."
Stage Range: NF stage 28 to death
Component Anatomy Items:
is a part of derives from
References: NCBO BioPortal, Ontology Lookup Service