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liquid part of blood
91% water 9% proteins, ions, nutrients, gases, waste products, and regulatory substances
makes up 58% of plasma proteins and is important in regulating the movement of water between the tissues and the blood
Red Blood Cells
erythrocytes, 700x more than WBC's. 17x more than platelets.
7.5 micrometers in diameter. biconcave
glycoprotein hormone produced by the kidneys stimulatin bine marrow to produce RBC's by increasing the number of proerythroblasts
located in spleen, liver, and lymphatic tissue take up hemoglobin released from ruptured RBC's.
leukocytes, form thin white layer of cells between plasma and RBC's, lack hemoglobin but have nucleus
WBC leave circulation and enter tissues, become thin and elongated and slip between or through cells of blood vessel walls
stimulated by bacteria or toxins to divide and form cells that produce proteins called antibodies
protect against viruses and other intracellular microorganisms by attacking and destroying the cells in which they are found, involved in the destruction of tumor cells and in tissue graft rejections
thrombocytes, minute fragments of cells consisting of a small amount of cytoplasm surrounded by a plasma membrane
the immediate but temporary constriction of a blood vessel that results when smooth muscle within the wall of the vessel contract
fibrinogen forms a bridge between the fibrinogen receptors of different platelets resulting in a platelet plug
ABO Blood Group
system used to categorize human blood based on the presence or absence of ABO antigens on the surface RBC's
Hemolytic Disease of the Newborn
when the mother is Rh negative and baby is Rh positive, if baby blood leaks through placenta, then the mother begins producing Rh antibodies which then cross through the placenta and causes agglutination and hemolysis of fetal RBC's
donors blood cells are mixed with the recipients serum and the donors serum to see if agglutination occurs
cancer of red marrow often results in leukocytosis but WBC's have abnormal structure and function
Differential White Blood Count
percentage of the five kinds of WBC
platelet count is greatly reduced resulting in chronic bleeding through small vessels and capillaries
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