References in periodicals archive ?
The Sapien THV is approved for patients who are not eligible for open-heart surgery for replacement of their aortic valve and have a calcified aortic annulus (calcium build-up in the fibrous ring of the aortic heart valve).
The labrum is a fibrous ring of cartilage attached to the rim of the hip socket that helps stabilize the joint.
When they become diseased (due to infection, damage from a heart attack, a congenital condition or other cause), the shape of the valve's annulus, a fibrous ring that surrounds the opening of the valve, can change.
Falling on an outstretched arm or hurling a fastball can cause a tear in the labrum, the fibrous ring that holds the humerus, or upper arm bone, in the shoulder socket.