Hepatitis can be caused by: 1  Immune cells in the body attacking the liver. 2  Infections from viruses (such as hepatitis A, hepatitis B, or hepatitis C), bacteria, or parasites.  Liver damage from alcohol or poison.
Mitral valve annuloplasty is a surgical technique for the repair of leaking mitral valves. Due to various factors, the two leaflets normally involved in sealing the mitral valve to retrograde flow may not coapt properly.he goal of mitral valve annuloplasty is to regain mitral valve competence by restoring the physiological form and function of the normal mitral valve apparatus.
Annulus or Ring. A ring of tissue around the upper part of a mushroom's stem, resulting from the collapsing of the partial veil. Rings are extremely variable, ranging from ephemeral and quickly disintegrating to sturdy and prominent. The type of ring a mushroom has is frequently a key determiner of its identity.