. A text-book of human physiology . corpuscle and the hsemoglobin remains. This shows that the mode ofcombination of the hsemoglobin and of the electrolytes is somewhat different(Stewart). According to Hoppe-Seyler neither the hasmoglobin nor the oxyhemoglobinis present as such in the red corpuscle, but as a tolerably firm combinationwith another substance, probably lecithin. The combination which containsoxyha?moglobin is called arterin, while that of which hemoglobin is a con-stituent is known as phlcbin. After the coloring matter is dissolved out of the red blood corpuscles thereremains a c
. A text-book of human physiology . corpuscle and the hsemoglobin remains. This shows that the mode ofcombination of the hsemoglobin and of the electrolytes is somewhat different(Stewart). According to Hoppe-Seyler neither the hasmoglobin nor the oxyhemoglobinis present as such in the red corpuscle, but as a tolerably firm combinationwith another substance, probably lecithin. The combination which containsoxyha?moglobin is called arterin, while that of which hemoglobin is a con-stituent is known as phlcbin. After the coloring matter is dissolved out of the red blood corpuscles thereremains a colorless mass called the stroma. This consists of lecithin, choles-terin, proteids, urea, and mineral substances, chiefly potassium, phosphoricacid and chlorine, and in the red blood corpuscles of man, sodium. By far the greatest part (eighty-seven to ninety-five per cent) of the drysubstance of the red blood corpuscle consists of haemoglobin: the stroma ofthe blood corpuscles amounts therefore to only five to thirteen per cent. In. Fig. 46.—Blood crystals, after , from the human blood; b, from theblood of the guinea pig; c, from theblood of a squirrel. THE FORMED CONSTITUENTS OF THE BLOOD 151
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