In a biological valve replacement, a valve made from cow, pig or human heart tissue replaces the damaged heart valve.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Make a gift now to help create new and better solutions for the more than 1.3 million patients who turn to Mayo Clinic each year.