Which valve is present at the opening of coronary sinus?

Question

Which valve is present at the opening of coronary sinus? (A) Mitral valve (B) Eustachian valve (C) Thebesian valve (D) Tricuspid valve

Tardigrade Admin · Accepted Answer

The right atrium receives the openings of superior vena cava, inferior vena cava and coronary sinus. The opening of the coronary sinus has coronary or Thebesian valve. Thebesian valve is a semicircular fold of the inner membrane lining of the right atrium, at the orifice of the coronary sinus.

Q. Which valve is present at the opening of coronary sinus?

Mitral valve

Eustachian valve

Thebesian valve

Tricuspid valve

The right atrium receives the openings of superior vena cava, inferior vena cava and coronary sinus. The opening of the coronary sinus has coronary or Thebesian valve. Thebesian valve is a semicircular fold of the inner membrane lining of the right atrium, at the orifice of the coronary sinus.