By J. B. Walter
Re-creation of this easy-to-read textual content has been up-to-date and revised to hide new details on scientific genetics, immune reaction, and contains the newest findings in AIDS. Acquaints the reader with primary points of area of expertise components together with bacteriology, biochemistry, hematology, radiology, and surgical procedure. basically reproduced pictures, micrographs, and line drawings make clear strategies awarded within the textual content
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The part on telephone biology has been drastically improved and now contains details on either the structural and practical points of the subject.
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Extra resources for An Introduction to the Principles of Disease
If you were able to culture cells from various parts of a normal human female, would you expect every cell to manufacture GPD? Explain the reasoning behind your answer. : T h e cell cycle. New England Journal of Medicine, 304:453-459, 1981. Fawcett, D. : The Cell. 2nd ed. Philadelphia, W. B. Saunders Company, 1981. Fox, C. : The structure of cell membranes. Scientific American, 226:30-38, 1972. Grant, M. , and Prockop, D. : T h e biosynthesis of collagen. Parts I, II, and III. New England Journal of Medicine, 286:194-199; 242-249; 291-300, 1972.
It should be noted that the other phagocytic cells of the body, the neutrophil granulocytes of the blood, are not included in the RE system by definition. This is because they cannot perform the same type of phagocytosis generally associated with the RE system. THE RETICULO ENDOTHELIAL SYSTEM The ground substance varies in consistency from an amorphous gel forming the translucent material of hyaline cartilage to the glairy fluid found in the synovial joint cavities. It is in the molecular meshes of the ground substance that the extracellular, or interstitial, fluid is contained.
Glycoproteins. These are proteins that contain a firmly bound compo nent of carbohydrate. Mucoproteins. These are loose combinations of protein with acid mucopolysaccharides; the latter consist of polymers of hexose sugars containing amino groups. The best-known acid mucopolysaccharide is hyaluronic acid. The mucoproteins are largely responsible for the viscosity of the intercellular ground substance. The enzyme hyaluronidase, which is produced by strepto cocci, depolymerizes hyaluronic acid and renders the ground substance more watery.