base of heart

base of heart

[TA]
that part of the heart that lies opposite the apex, formed mainly by the left atrium but to a small extent by the posterior part of the right atrium; it is directed backward and to the right and is separated from the vertebral column by the esophagus and aorta.
Synonym(s): basis cordis [TA]

base of heart

(bās hahrt)
That part of the heart that lies opposite the apex, formed mainly by the left atrium but to a small extent by the posterior part of the right atrium; it is directed backward and to the right and is separated from the vertebral column by the esophagus and aorta.
Synonym(s): basis cordis [TA] .