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Thrombocytopenia, or thrombopenia, is defined as the abnormally low presence or absence of platelets in blood. Platelets are small cell fragments found in blood that are essential for hemostasis and formation of clots. A normal platelet count for an adult is 150,000 to 450,000 platelets per microlitre of blood. However, there are always anomalies where people may have exceedingly high or low levels of platelets and still be perfectly healthy. However, when platelet counts drop to levels below 50,000 platelets per microlitre, a patient is generally defined as having clinic thrombocytopenia. Symptoms of thrombopenia include bruising that does not go away (purpura), small haemorrhages on skin and mucous membranes, blood filled bubbles in mouth, nosebleeds and bleeding gums. People may feel generally ill, with fatigue and weakness. Severe thrombopenia leads to spontaneous bruising on body.

These symptoms occur because platelets serve to clot broken blood vessels. Clotting is a mechanism where platelets are sent to a broken are of vein, artery, or capillary, where they congeal into a mass that staunches bleeding. When one does not have enough platelets, the body is unable to stop bleeding in an efficient manner.

Symptoms include bruising that does not go away (purpura), small hemhorrages on skin and mucous membranes, blood filled bubbles in mouth, nosebleeds and bleeding gums. People may feel ill, with fatigue and weakness. Clotting is a mechanism where platelets are sent to a broken are of vein, artery, or capillary, where they congeal into a mass that staunches bleeding. When one does not have enough platelets, the body is unable to stop bleeding in an efficient manner

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