Crossword-Solution: HAEMATIN 8 letters, 3 clues 🏆 scrabble score: 13

Sanderson to be insoluble in water, acids, and alcohol, so that they were probably haematin, together with other bodies derived from the blood.

Sanderson tried this substance with artificial digestive fluid, in the manner described under globulin, and found that whilst 1.31 of fibrin, only 0.456 of the haematin was dissolved in an hour; but the dissolution by the secretion of even a less amount would account for its action on Drosera.

But this substance, as well as the so-called haematin used by me, ought perhaps to have been classed with indigestible substances.

Haemoglobin, the red colouring matter of vertebrate blood, C758H1203N195S3FeO218, and its derivatives haematin, C32H30N4FeO3, and haematoporphyrin, C16H18N2O3, are colouring matters about which we possess definite chemical knowledge, as they have been isolated, purified and analysed.

The coal-dust and the iron-filings are often sharp and jagged fragments, which penetrate the delicate tissues, and the escaping red blood-corpuscles are acted upon by the amoeboid cells in the air-passages, with the consequent formation of haematin or haematoidin, as are the blood-corpuscles in larger hemorrhages.