A ring of ribrous tissue that surrounds the atrioventricular and arterial orifices. [ http://en.wikipedia.org/wiki/Fibrous_rings_of_heart http://orcid.org/0000-0002-6601-2165 ]
Synonyms: anulus fibrosus of heart
Term information
fibrous ring of heart
coronary tendon
atrioventricular ring
annulus fibrosus cordis
aortic annulus
Lower's ring
anulus fibrosus cordis