What Are The Granules Of Platelets?

What Are The Granules Of Platelets? Alpha granules, (α-granules) also known as platelet alpha-granules are a cellular component of platelets. Platelets contain different types of granules that perform different functions, and include alpha granules, dense granules, and lysosomes. Which are the two types of granules found in platelets? Platelets contain three major granule types—dense granules,