Valve of the coronary sinus
Encyclopedia
The valve of the coronary sinus (Thebesian valve) is a semicircular fold of the lining membrane of the right atrium, at the orifice of the coronary sinus
.
The valve may vary in size, or be completely absent.
It may prevent the regurgitation
of blood into the sinus during the contraction of the atrium.
This valve may be double or it may be cribriform
.
It is named for Adam Christian Thebesius
.
Coronary sinus
The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the myocardium of the heart. It is present in all mammals, including humans...
.
The valve may vary in size, or be completely absent.
It may prevent the regurgitation
Regurgitation (circulation)
Regurgitation is blood flow in the opposite direction from normal, as the backward flowing of blood into the heart or between heart chambers. Can be categorized by:...
of blood into the sinus during the contraction of the atrium.
This valve may be double or it may be cribriform
Cribriform
Cribriform can refer to:* Cribriform plate* Fascia cribrosa* Cribriform mesenchyme...
.
It is named for Adam Christian Thebesius
Adam Christian Thebesius
Adam Christian Thebesius was a German anatomist who was a native of Sandenwalde, Silesia. He studied medicine in Jena, Leipzig and Leiden, and received his doctorate from the University of Leiden in 1708...
.