Element found in peripheral blood. In humans, the normal mature form is a nonnucleated, yellowish, biconcave disk, adapted by virtue of its configuration and its hemoglobin content to the transport of oxygen.
A red or white cell in the blood.
Any of two types of cells red blood cells (erythrocytes) and white blood cells (leukocytes) found in human blood. Platelets, though not true cells, are sometimes included. Also called blood corpuscles or formed elements of the blood.
The three major types of cells carried in plasma, the liquid portion of the BLOOD. They have specialized functions. Generally, red blood cells (erythrocytes) carry oxygen to the body; white blood cells (leukocytes) defend against invasions by bacteria, viruses, fungi, and other foreign material; and platelets (thrombocytes) help the blood to clot and repair damaged blood vessels. Most blood cells are manufactured in the bone marrow, and all three types are generated by a series of cell divisions beginning with a single cell called a stem cell. Red blood cells make up about 99 percent of blood cells, while white blood cells and platelets make up about 1 percent.
Any of the cells that are present in the blood in health or disease. The cells may be subclassified into two major categories, namely red cells (erythrocytes) and white cells (leukocytes), which include granulocytes, lymphocytes, and monocytes. Blood cells and platelets account for approximately 40% of the total volume of the blood in health; red cells comprise the vast majority.
Any type of nucleated or non-nucleated cell normally found in the blood or blood-forming tissues.
Within the composition of blood, there exist three fundamental types of cellular components. These encompass white blood cells, red blood cells, and platelets, all of which are generated within the bone marrow.