Platelet count refers to the number of platelets present in a given volume of blood. Platelets, also known as thrombocytes, are bitsy cell fractions that circulate in the bloodstream and play a pivotal part in blood clotting. They’re produced in the bone gist and are involved in the conformation of blood clots to help inordinate bleeding.

A platelet count is generally measured as part of a complete blood count (CBC) test, which provides information about colorful factors of blood. The count is expressed as the number of platelets per microliter of blood (generally written as x10⁹/ L or thousands per microliter). In a healthy existent, the normal platelet count ranges between 150,000 and 450,000 platelets per microliter of blood.

Abnormal platelet counts can indicate certain medical conditions. A low platelet count, known as thrombocytopenia, may be affected by factors like bone marrow diseases, immune system dysfunction, certain specifics, or viral infections. It can lead to an increased threat of bleeding or difficulty in blood clotting. On the other hand, a high platelet count, known as thrombocytosis, can be caused by conditions like inflammation, infection, cancer, or as a response to surgery or spleen removal.