Platelets (also called thrombocytes) are small blood cell fragments made by your bone marrow. They help form blood clots to stop you from bleeding when you've been injured. Platelets are small cell ...

What Is the Platelet Aggregation Test? A platelet aggregation test is a blood test that looks at how well your blood cells called platelets clump together and clot. It is sometimes called a platelet ...

A mean platelet volume (MPV) test measures the average size of platelets in your blood. Platelets are blood cells that your bone marrow makes. Healthy platelets clump together to help your blood clot ...

A mean platelet volume (MPV) test measures the size of your platelets. Along with other tests, an MPV test can help doctors identify health conditions such as anemia, cardiovascular disease, and some ...