
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.
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 …
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.
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 …
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. …
What Are Platelets: Structure, Functions, and Importance
May 10, 2025 · Platelets are one of the main types of blood cells in your body, along with red blood cells and white blood cells. Also known as thrombocytes, platelets are responsible for helping your blood...
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. …
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.
Health Encyclopedia - University of Rochester Medical Center
Platelets are tiny blood cells that help your body form clots to stop bleeding. If one of your blood vessels gets damaged, it sends out signals to the platelets. The platelets then rush to the site of damage and …
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 …