Volume 1
A text-book of human physiology : including histology and microscopical anatomy with special reference to the requirements of practical medicine / by L. Landois ; translated from the seventh German edition with additions by William Stirling.
- Landois, L. (Leonard), 1837-1902. Lehrbuch der Physiologie des Menschen. English
- Date:
- 1891
Licence: Public Domain Mark
Credit: A text-book of human physiology : including histology and microscopical anatomy with special reference to the requirements of practical medicine / by L. Landois ; translated from the seventh German edition with additions by William Stirling. Source: Wellcome Collection.
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![TThe spectrum necessarily varies with the concentration of the solution Fig. 24 shiws Zv the absorption'bands increase with increase m the strength o he soMon With a 1 per cent, solution all the spectrum disappears, with the lep ion of the extrem'e red, and as the dilution continues - ^-^^ « orange, green, yellow, blue, indigo, and violet. With -65 per cent, of HbO, there ÄÄSlobin.--It gives up its 0 very readily, however, even Red. orange. Yellow. C-en. Cy..»l>l»c. Oxy- hsemoglobin 0-8 L Oxy- hiemogloWn 0-18 % Carbonic Oxide- Haemoglobin. Reduced Hfemoglobin. 40 B Methfp- moglobin. Hsematin in Acid Solution. Hjematin in an Alkaline Solution. Hfemo- chromogen in Alkaline Solution. Eedviced Hpematin. Lll| 110 1 i|l I 50 bo 70 80 90 ■ 100 E Fig. 23. Spectra of hsemoglobin and its compounds, when means which set free absorbed gases are used. It is reduced (1) by the removal of the gases by the ah^-pimp, (2) by the conduction through its so ution of other gases (CO), and (3), by heating to the boiling-point._ In the ciTciiiatmg blood its 0 is Very rapidly given up to the tissues, so that m suffocated animals only reduced hwmoglobin is found in the arteries. Some constituents of the serum and sugar remove its 0. i -u- Spectrum of reduced Hemoglobin.—By adding to a solution of oxyhemoglobin reducinff substances—e.^;., ammonium sulphide, iron fihngs, or btokess fluid [tartaric acid, iron proto-sulphate, and excess of ammonia]—the two absorption- bands of the spectrum disappear, and reduced haemoglobin (gas free), with one](https://iiif.wellcomecollection.org/image/b20417688_001_0066.jp2/full/800%2C/0/default.jpg)
