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  1. 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 from blood …

  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 and Why Are They Important?

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

  4. 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) that resemble legs …

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

    Nov 18, 2025 · Platelets help stop bleeding by forming clots, which are essential for healing wounds. A normal platelet count is between 150,000 and 450,000 platelets per microliter of blood. …

  6. 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 form a clot, …

  7. Platelet | Clotting, Coagulation, Thrombosis | Britannica

    Dec 27, 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.

  8. What Are Platelets In Blood

    Platelets, or thrombocytes, are small, colorless cell fragments in our blood that form clots and stop or prevent bleeding. Platelets are made in our bone marrow, the sponge-like tissue inside our bones. …

  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 platelets or …

  10. Platelet (Thrombocyte): Function, Composition & Production

    Dec 17, 2023 · Platelets are tiny cellular fragments that play a crucial role in the process of blood clotting, known as hemostasis. They are produced in the bone marrow from larger cells called …