The Chemical Basis of the Animal Body

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Macmillan, 1892 - 288 pages
 

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Page 162 - Pfliiger 1 has called attention to the great molecular energy of the cvanogen compounds, and has suggested that the functional metabolism of protoplasm by which energy is set free, may be compared to the conversion of the energetic unstable cyanogen compounds into the less energetic and more stable amides. In other words, ammonium cyanate is a type of living, and urea of dead nitrogen, and the conversion of the former into the latter is an image of the essential change which takes place when a living...
Page 5 - These form the principal solids of the muscular, nervous, and glandular tissues, of the serum of blood, of serous fluids, and of lymph. In a healthy condition, sweat, tears, bile, and urine contain mere traces, if any, of proteids. Their general percentage composition may be taken as...
Page 140 - ... instances at least glycuronic acid is an antecedent or intermediary body in the production of oxalic acid. Glycuronic acid is unquestionably an important body in the intermediary metabolism of carbohydrates. It is much more widely distributed and much more common than has generally been supposed. It does not occur in the free state in the animal body, but exists conjugated with various aromatic substances, notably with phenol, indoxyl, etc., these conjugated «forms being normally present in...
Page 101 - It would be out of place here to enter into the details of the correspondence which followed.

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