PRINCIPLE, COLOURING, OF THE BLOOD
\pɹˈɪnsɪpə͡l], \pɹˈɪnsɪpəl], \p_ɹ_ˈɪ_n_s_ɪ_p_əl]\
Definitions of PRINCIPLE, COLOURING, OF THE BLOOD
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A name, given to the immediate principle in animals, to which the blood owes its red colour. It is solid, inodorous, and insipid. When recently separated from blood, it has a purple-red colour. When distilled, it furnishes, amongst other products, a purple oil. It is insoluble in water; but, if diluted with that liquid, acquires a vinous-red hue. It communicates a red colour to the albumen of the blood, and affords, on analysis, iron, to which the colour has been ascribed. See Haemaphaein, and Haematin.
By Robley Dunglison
