valve of coronary sinus


valve of cor·o·nar·y si·nus

[TA] a delicate fold of endocardium at the opening of the coronary sinus into the right atrium. Synonym(s): valvula sinus coronarii [TA], coronary valve, thebesian valve

valve of cor·o·nar·y si·nus

(valv kōr'ŏ-nar-ē sī'nŭs) [TA] A delicate fold of endocardium at the opening of the coronary sinus into the right atrium.

Thebesius,

Adam C., German physician, 1686-1732. thebesian foramina - a number of fossae in the wall of the right atrium containing the openings of minute intramural veins. Synonym(s): foramina of the venae minimaethebesian valve - a delicate fold of endocardium at the opening of the coronary sinus into the right atrium. Synonym(s): valve of coronary sinusthebesian veins - numerous small valveless venous channels that open directly into the chambers of the heart from the capillary bed in the cardiac wall, enabling a form of collateral circulation unique to the heart. Synonym(s): venae cordis minimae