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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. 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 …

  3. 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.

  4. 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.

  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. What Are Platelets: Structure, Functions, and Importance

    May 10, 2025 · Learn more about platelets, small types of blood cells that prevent excessive bleeding and serve other important purposes.

  7. Plaquette (Platelet): Function, Formation, and Counts

    Jul 23, 2025 · Plaquettes, commonly known as platelets, are tiny, specialized cell fragments circulating in the bloodstream. They play a significant part in the body’s immediate response to injury. These …

  8. Platelets - ouhsc.edu

    Apr 6, 2015 · Platelets are only about 20% of the diameter of red blood cells. The normal platelet count is 150,000-350,000 per microliter of blood, but since platelets are so small, they make up just a tiny …

  9. Platelet | Clotting, Coagulation, Thrombosis | Britannica

    Nov 14, 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.

  10. Platelet Counts: Tests, Conditions, and What to Expect - WebMD

    Nov 7, 2024 · A platelet count measures the number of platelets in your blood. Learn about the test, its results, conditions like thrombocytopenia and thrombocytosis, and prep tips.