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Encyclopedia > Blood cell

A blood cell is any cell of any type normally found in blood. In mammals, these fall into three general categories: Human blood smear: a - erythrocytes; b - neutrophil; c - eosinophil; d - lymphocyte. ... Subclasses Allotheria* Order Multituberculata (extinct) Order Volaticotheria (extinct) Order Palaeoryctoides (extinct) Order Triconodonta (extinct) Prototheria Order Monotremata Theria Infraclass Marsupialia Infraclass Eutheria The mammals are the class of vertebrate animals characterized by the production of milk in females for the nourishment of young, from mammary glands present on most species...

Together, these three kinds of blood cells sum up for a total 45% of blood tissue (55% is plasma). Human red blood cells Red blood cells are the most common type of blood cell and the vertebrate bodys principal means of delivering oxygen from the lungs or gills to body tissues via the blood. ... General Name, Symbol, Number oxygen, O, 8 Chemical series Nonmetals, chalcogens Group, Period, Block 16, 2, p Appearance colorless (gas) very pale blue (liquid) Atomic mass 15. ... White blood cells or leucocytes are cells which form a component of the blood. ... Schematic of antibody binding to an antigen An antibody or immunoglobulin is a large Y-shaped protein used by the immune system to identify and neutralize foreign objects like bacteria and viruses. ... A 250 ml bag of newly collected platelets. ... Grays Anatomy illustration of cells in bone marrow. ... The megakaryocyte is a bone marrow cell responsible for the production of blood platelets when its cytoplasm becomes fragmented. ... Blood plasma is the liquid component of blood, in which the blood cells are suspended. ...

External links

  • What is Blood? from the Genetic Science Learning Center at the University of Utah.
  • Cells of the blood

  Results from FactBites:
BLOOD CELLS (862 words)
Not every cell you see in the lab will look exactly like these, but if you look for the features pointed out with each micrograph, you should be able to make proper identifications during differential white blood cell counts or during a lab exam.
The background cells in this micrograph are erythrocytes (red blood cells).
The primary function of these cells is to carry oxygen from the lungs to the body cells.
Red blood cell - Wikipedia, the free encyclopedia (1357 words)
Red blood cells are the most common type of blood cell and are the vertebrate body's principal means of delivering oxygen from the lungs or gills to body tissues via the blood.
The blood plasma is straw-colored alone, but the red blood cells change colors due to the state of the hemoglobin: when combined with oxygen the resulting oxyhemoglobin is scarlet and when oxygen has been released, the resulting deoxyhemoglobin is darker, appearing bluish through the blood vessel walls.
Spherocytosis is a genetic disease that causes a defect in the red blood cell's cytoskeleton, causing the red blood cells to be small, sphere-shaped, and fragile instead of donut-shaped and flexible.
  More results at FactBites »



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