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] .
References in periodicals archive ?
Oesophageal obstructions in bovine commonly occur at pharynx, cranial aspect of cervical oesophagus, thoracic inlet or base of heart (Misk et al., 2004).
They further reported of reduction of 26% [+ or -] 3% in mitral valve orifice area during systole due to contraction of base of heart and displacement of aortic-mitral curtain toward center of mitral orifice.
Esophageal obstructions in bovine commonly occur at pharynx, cranial aspect of cervical esophagus, thoracic inlet or base of heart (Yadav et al., 2008; Madhava et al., 2009).
In TRUNCUS ARTERIOSUS, a single artery with a single semilunar valve leaves the base of heart and gives rise to pulmonary, Systemic and Coronary circulation.
Oesophageal foreign bodies are most commonly lodged at the thoracic inlet, base of heart and caudal oesophagus, where extraoesophageal stricture restrict oesophageal dilatation.