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  1. What Are Platelets and Why Are They Important?

    Platelets are the cells that circulate within our blood and bind together when they recognize damaged blood vessels.

  2. Platelet count blood test: Normal, low, and high values

    Apr 25, 2025 · A platelet count measures the average platelet level in a person’s blood. High or low platelet levels can increase the risk of clotting or excessive bleeding.

  3. What Are Platelets? Function & Anatomy - Cleveland Clinic

    Aug 26, 2024 · Proteins on the exterior of your platelet walls are sticky to help them adhere to your blood vessels. When actively clotting, platelets extend filaments (a long thread of cells) …

  4. Platelet - Wikipedia

    Platelets or thrombocytes (from Ancient Greek θρόμβος (thrómbos) 'clot' and κύτος (kútos) 'cell') are a part of blood whose function (along with the coagulation factors) is to react to bleeding …

  5. Platelets (Thrombocytes): Function, Normal Values, and More

    Sep 9, 2024 · Gain an understanding of what a platelet or thrombocyte is, including its function in the body and what your platelet count means on a blood test.

  6. Thrombocytopenia (low platelet count) - Symptoms and causes

    May 13, 2025 · Thrombocytopenia is low blood platelet count. Platelets, also called thrombocytes, are colorless blood cells that help blood clot. Platelets stop bleeding by clumping together and …

  7. Physiology, Platelet - StatPearls - NCBI Bookshelf

    Jul 25, 2023 · Platelets are small blood cells with several physiological purposes; the best studied is thrombosis activation. Through their clotting activity and activation of the coagulation …

  8. Understanding Platelet Count: Normal, Low, and High Levels

    Platelets, also known as thrombocytes, are small cell fragments that play a crucial role in blood clotting and wound healing. When you experience a cut or injury, platelets rush to the site to …

  9. Definition of platelet - NCI Dictionary of Cancer Terms

    Platelets are pieces of very large cells in the bone marrow called megakaryocytes. They help form blood clots to slow or stop bleeding and to help wounds heal. Having too many or too few …

  10. Platelet | Clotting, Coagulation, Thrombosis | Britannica

    Sep 20, 2025 · Platelet, colourless, nonnucleated blood component that is important in the formation of blood clots (coagulation). Platelets are found only in the blood of mammals.