Question

A mass composed of fibrin and platelets that collect on valve leaflets or their cords is called a(n)

Answer 1

Vegetation.

Step-by-step explanation:

The platelets are the thread like structures that plays an important role in the immune system of the body. Platelets helps in the blood clotting during the injury.

Vegetation may be defined as the the abnormal growth of the particular cells. This vegetation is often associated with the endocarditis. They mainly composed of the mass of the platelets and fibrin. This might affects the heart of the individual.

Thus, the answer is vegetation.

Answer 2

VEGETATION

Step-by-step explanation:

It is referred to as an infected mass due to the production of bacteria in one heart valves. This infected mass can be due to bacteria in the bloodstream during any dental work, or any similar process related to bloodstream. This infected mass is called VEGETATION and related to endocarditis which is composed of fibrin and platelets.