What Is Thrombocytopenia?
Thrombocytopenia (pronounced: throm-buh-sye-tuh-PEE-nee-uh) is when there aren't as many normal platelets in the blood as there should be. Platelets are tiny colorless cells in the blood that help the blood clot. Like all blood cells, platelets are made in the bone marrow (the spongy inner part of bones).
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How Blood Works
Blood helps the parts of our body work as they should. In this video, learn how blood brings oxygen and nutrients around the body and helps fight off infections.