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Normal Platelet Count Range – Dengue fever

Human blood consists of three components which are red blood cells (erythrocytes), white blood cells (leukocytes) and platelets (thrombocytes). Every cell has its own importance. Here we are going to discuss about thrombocytes or platelets. Platelets play a very important role in healing process and the formation of blood clots at the time of injury. They are microscopic irregular shaped cells without a nucleus. These are derived from the bone marrow cells known as megakaryocytes. A normal platelet count range varies from 150,000 to 400,000 per μl (microlitre) in a mammal. Even a slight increase or decrease in this range can result in dangerous consequences. So it is necessary to maintain a normal platelet count to avoid such blood disorders in our body.

Formation of Platelets in Our Body
The fragmentation of bone marrow cells known as megakaryocytes produces platelets. Every single megakaryocyte cell produces 5,000 to 10,000 platelets. Platelets have a life span of 5 to 9 days and a normal human adult produces 1×1011 platelets everyday. The extra or reserve platelets are stored in the spleen and are release at the time of need. Phagocytes and Kupffer cells destroy the old platelets hence, giving chance to the new ones to take their place.

Function of Platelets in Our Body
Whenever there is any injury to the body, the platelets are the first ones to react and reach the injured site. As they are stored in the spleen, the injury causes them to ooze out before the blood. As soon as they reach the damaged part, they start their healing process and activate the other healing components in the body to reach the site of injury. This causes the formation of blood clot and blood is stopped form coming out from the site of injury.

Normal Platelet Count
Normally, a person’s platelet count is 150,000 to 400,000 per μl (microlitre). But the normal platelet count range in children is between 150,000-450,000 per μl. There is a slight decrease in the normal platelet count range in pregnancy as there is an increase in the blood produced while the number of platelets remain the same. It is quite normal till 100,000 platelets per μl but if the number goes below this, then it can be a medical emergency. Normal platelet count range for women and men is same but some women experience a slight downfall in the platelet count before mensuration.

Effects of Abnormal Platelets Count
It is very important to maintain a normal platelet count. Both increase or decrease in the platelet count can take you to life threatening consequences.

source:http://www.buzzle.com

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