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As hemostasis is a basic function of thrombocytes in mammals, it also has its uses in possible infection confinement. [7] In case of injury, platelets, together with the coagulation cascade, provide the first line of defense by forming a blood clot. Hemostasis and host defense were thus intertwined in evolution.
A blood cell (also called a hematopoietic cell, hemocyte, or hematocyte) is a cell produced through hematopoiesis and found mainly in the blood. Major types of blood cells include red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes).
200,000–500,000 thrombocytes: [15] Also called platelets, they take part in blood clotting (coagulation). Fibrin from the coagulation cascade creates a mesh over the platelet plug . Constitution of normal blood
Research suggests that thrombocytosis can also occur after physical exercise, and is triggered by hemoconcentration and the release of platelets from the liver, lungs and spleen. [3] [9] The SARS disease caused thrombocytosis. [10] Once the reactive causes of thrombocythemia are ruled out, clonal thrombocythemia should be considered.
In hematology, thrombocytopenia is a condition characterized by abnormally low levels of platelets (also known as thrombocytes) in the blood. [2] Low levels of platelets in turn may lead to prolonged or excessive bleeding.
A megakaryocyte (from mega- 'large' karyo- 'cell nucleus' and -cyte 'cell') is a large bone marrow cell with a lobated nucleus that produces blood platelets (thrombocytes), which are necessary for normal clotting.
Thrombopoiesis is the formation of thrombocytes (blood platelets) in the bone marrow. Thrombopoietin is the main regulator of thrombopoiesis. Thrombopoietin affects most aspects of the production of platelets.
Red blood cells (RBCs), referred to as erythrocytes (from Ancient Greek erythros 'red' and kytos 'hollow vessel', with -cyte translated as 'cell' in modern usage) in academia and medical publishing, also known as red cells, [1] erythroid cells, and rarely haematids, are the most common type of blood cell and the vertebrate's principal means of delivering oxygen (O 2) to the body tissues—via ...