BLOOD PLATELET NUMBER Meaning and
Definition
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Blood platelet number refers to the quantity of platelets or thrombocytes present in the bloodstream. Platelets are small, irregular-shaped colorless cell fragments that circulate in the blood, derived from the larger bone marrow cells known as megakaryocytes. They play a crucial role in the clotting process, preventing excessive bleeding by forming a plug at the site of injury and releasing chemicals that initiate a chain of reactions leading to the formation of a blood clot.
The blood platelet number is an essential parameter measured in a complete blood count (CBC) test. It provides information about the body's ability to form blood clots and maintain hemostasis, which is the process of preventing blood loss from damaged vessels. Platelet counts are usually expressed as the number of platelets per microliter of blood.
Normal platelet count ranges vary slightly between individuals and laboratories but generally range from 150,000 to 450,000 platelets per microliter. Abnormal platelet numbers may indicate certain medical conditions such as thrombocytopenia (low platelet count), which can lead to increased bleeding, or thrombocytosis (high platelet count), which can predispose individuals to clotting disorders.
Monitoring blood platelet numbers is particularly important in individuals undergoing chemotherapy or those with blood disorders, as it helps assess the risk of bleeding or abnormal clotting. Additionally, platelet numbers can indicate the overall health of the bone marrow, the organ responsible for their production.
Common Misspellings for BLOOD PLATELET NUMBER
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