. Lectures on surgical pathology : delivered at the Royal College of Surgeons of England. nstituent being removed morequickly, and in greater proportion, than the animal matter; but theentire material of the bone is The softening of bones may permit peculiar subsequent changes,especially their swelling and expansion. Thus, in a remarkable casecommunicated by Mr. Arnott to Mr. Stanley, after excision of thebones of an elbow joint, inflamma- tion ensued in the shaft of the hume-rus, and after four months the pa-tient died. The end of the humeruswas full-red, and swollen, with ex-pansi
. Lectures on surgical pathology : delivered at the Royal College of Surgeons of England. nstituent being removed morequickly, and in greater proportion, than the animal matter; but theentire material of the bone is The softening of bones may permit peculiar subsequent changes,especially their swelling and expansion. Thus, in a remarkable casecommunicated by Mr. Arnott to Mr. Stanley, after excision of thebones of an elbow joint, inflamma- tion ensued in the shaft of the hume-rus, and after four months the pa-tient died. The end of the humeruswas full-red, and swollen, with ex-pansion or separation of the layersof its walls (Fig. 39). And the caseshowed well the coincidence of ab-sorption and of enlargement by ex-pansion ; for though the inflamedhumerus was thus enlarged, and con-tained more blood than the healthyone, yet it was found not to weighso much by half. Similar expansions of bone, withall the characters of inflammation,and such as could not have hap-pened without previous softeningof the tissues, form part of themany swollen and enlarged bones Fig. 394. * See Kiiss, as quoted by Virchow, in his Archiv, i, p. 121. f In inflammation and caries of bone, in addition to the softening caused by the removalof the earthy matter there is also a considerable widening of the Haversian canals, lacuna;,and canaliculi, so that many of them disappear, owing to numerous spaces and canals beingthrown together. See, for a more detailed description of the process, Goodsir, Anat. andPath. Obs., V. Bibra, Liebig and Wohlers Annalen, vol. 55; Barwell, Diseases of Joints. J Fig. 39. A, the inflamed humerus. The swelling of its lower part is shown by con-trast with that of the corresponding part of the healthy humerus, B. The separation oflamina is shown in C ; all the figures are reduced one-half. From Mr. Stanleys Illustra-tions, Pi. i, Figs. 4, 5, 6. 278 SOFTENING OF INFLAMED PARTS. Fig. whicli are common in all museums.* Doubtless, in many of these cases,the d
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