I gave him a sample of what TK means when it's clamped on the mitral valve.
The left-side valve is the mitral valve, that between the right auricle and ventricle the tricuspid valve.
His heart had never regained its old power, and his mitral valve was quite unable to fulfill its function.
On the surface of the mitral valve there were several spots of fatty degeneration.
That of the left ventricle has only two flaps, and is therefore often spoken of as the bicuspid or mitral valve.
The intake valve on the left side of the heart, which is composed of but two flaps, is known as the mitral valve.
mitral valve n.
A valve of the heart, composed of two triangular flaps, that is located between the left atrium and left ventricle and regulates blood flow between these chambers. Also called bicuspid valve, left atrioventricular valve.