. A practical treatise on medical diagnosis for students and physicians . ous netw^ork 37 578 THE BLOOD. between the cells ; platelets or their remains are usually seen forming anucleus from which the fibrin threads spread. Fibrin is increased in infectious and inflammatory diseases ; diminishedin amount in pernicious anaemia and purpura. The Haemoglobin. An estimation of haemoglobin is made in order to determine the rich-ness of red cells in this substance. For this purpose a hsemoglobinometeris used. Hsemoglobinometers. Gowers haemoglobinometer (Fig. 204) consistsof (1) a closed tube, D, con
. A practical treatise on medical diagnosis for students and physicians . ous netw^ork 37 578 THE BLOOD. between the cells ; platelets or their remains are usually seen forming anucleus from which the fibrin threads spread. Fibrin is increased in infectious and inflammatory diseases ; diminishedin amount in pernicious anaemia and purpura. The Haemoglobin. An estimation of haemoglobin is made in order to determine the rich-ness of red cells in this substance. For this purpose a hsemoglobinometeris used. Hsemoglobinometers. Gowers haemoglobinometer (Fig. 204) consistsof (1) a closed tube, D, containing coloring-matter representing the colorhuman blood should have normally if diluted 100 times ; (2) a corre-sponding empty tube, C, graduated in an ascending scale from 10 to120 ; (3) a capillary glass tube, B, marked at 20 cubic millimetres ; asmall guarded lancet, F, and a small bottle with a pipette stopper, A, fordistilled water. A few drops of distilled water are first placed in theempty tube, C, to prevent the coagulation of the blood, which would Fig.
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