apex cordis

a·pex of heart

[TA]
the blunt extremity of the heart formed by the left ventricle. See: apex beat.
Synonym(s): apex cordis [TA], vertex cordis

apex cordis

Etymology: L, apex + cordis, of the heart
the pointed lower border of the heart. It is directed downward, forward, and to the left and is usually located at the level of the fifth intercostal space.