The tricuspid valve is one of the four |valves| that keeps ~blood~ flowing through the |heart|. It opens and closes with every beat of the |heart| and is situated at the opening between the right atrium and the right ~ventricle~. The valve has three cusps (flaps) tethered by fibrous cords (chordae tendineae) attached to papillary muscles in the apex of the ~ventricle~. The long chordae help stop it from flipping inside out. The valve allows the ~blood~ to flow from the atrium into the ~ventricle~, but prevents it from flowing in the opposite direction. When the |heart| contracts, it squeezes ~blood~ through the atria and then through the ~ventricles~.
