Manual of pathological anatomy . e formation of a granu-lar precipitate, which Simon states is the mucine, the principalconstituent of the fluid. It is insoluble in excess of acetic acid,which distinguishes it from albuminous substances. This is heldin solution by means of an alkali, and consequently falls on thelatter being taken up by an acid. Not much is known of thissubstance, except that it is a protein compound. Albumen orfibrine, treated with liquor potassse, forms a transparent, viscousmass, having much resemblance to its solution. The proper cor-puscles of morbid mucus are, as we are
Manual of pathological anatomy . e formation of a granu-lar precipitate, which Simon states is the mucine, the principalconstituent of the fluid. It is insoluble in excess of acetic acid,which distinguishes it from albuminous substances. This is heldin solution by means of an alkali, and consequently falls on thelatter being taken up by an acid. Not much is known of thissubstance, except that it is a protein compound. Albumen orfibrine, treated with liquor potassse, forms a transparent, viscousmass, having much resemblance to its solution. The proper cor-puscles of morbid mucus are, as we are fully persuaded, and asthe best observers state, quite identical with those of pus. Theyare usually mingled with epithelial particles, in very various stagesof their formation, from a simple nucleus up to a complete cell. Itis only in cases of prolonged and rather intense inflammation thattraces of epithelium are wanting, and the so-called mucous cor-puscles are crowded together, and seem to load the fluid. It is Fig. 12. I ^ ®. ® c Separate corpuscles, and two blood globules. often very observable how the tenacious fluid, in which the cor-puscles are entangled, in consequence of being dragged in onedirection, produces an alteration of their shape ; they thus becomeoval, or even stafl*-shaped. Granulous and oily matter is com-monly diffused through the liquor muci, just as it is through thatof pus. It is manifest from what has been stated, that thediflerence between mucus and pus consists essentially in thedifferent nature of the fluids, not in that of their corpuscles. Theold question, as to the means of distinguishing between pus andmucus, is manifestly of little moment, and has, in general, nointerest for the practical physician. It is sufficient to state, thatthe liquor puris is albuminous, the liquor muci not so; thatpus will mix with water, and mucus will not; that pus is dis-solved, in some measure, by acetic acid, while mucus is coagulated;and that mucus generally con
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