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This structure is well supplied with sensory nerves, and when it becomes inflamed and swollen, the tissues are subject to severe pressure and the pain is severe. Inflammation of a tendon results in lameness; of the udder, in suspension of milk secretions; and of the stomach by interference with digestion of the feed. Such symptoms may be grouped under the head of disturbed functions.
If the equanimity of an ordinary man be at the mercy of trifles, how much more will the equanimity of the man of letters, who is usually the most sensitive of the race, and whose peculiar avocation makes sad work with the fine tissues of the nerves.
In spite of herself Sylvia had one glimpse of horribly lacerated red tissues.... She gripped her hands together after this and looked fixedly at a button on her glove, until Miss Lindström's voice announced: "It's the Embury stitch that makes that possible: we've just worked out the application of it to skin-graft cases. Two years ago she'd have lost her leg. Isn't it simply splendid!"
These varieties, although met with chiefly in the bones, may occur in soft tissues such as muscle, and in such organs as the mamma. The pigmented varieties include the chloroma, which is of a light-green colour, and the melanotic sarcoma, which is brown or black. The psammoma is a sarcoma containing a material resembling sand; it is chiefly met with in the membranes of the brain.
In truth, there are times when the foggy obscurities of the preacher are by comparison broad daylight beside the whirling loose tissues of a woman unexplained.
In brief, we are to study the set of processes known as respiration, by which oxygen is supplied to the various tissues, and by which the principal waste matters, or chief products of oxidation, are removed. Now, the tissues are continually feeding on the life-giving oxygen, and at the same time are continually producing carbon dioxid and other waste products.
It was now for the first time that a true general anatomy became possible. As early as 1816 Treviranus had attempted to resolve the tissues, of which Bichat had admitted no less than twenty-one, into their simple microscopic elements. How could such an attempt succeed, Henle well asks, at a time when the most extensively diffused of all the tissues, the areolar, was not at all understood?
The truth is, disease is often so hidden, its manifestations so obscure, its stamp upon the tissues so faint, that rarely is a physician justified in asserting from the symptoms and a partial negative post mortem, such as was performed on General Ketchum, that any given death could not have been due to a natural cause.
In the early part of the century observations upon various kinds of animals and plant tissues multiplied, and many microscopists independently announced the discovery of similar small corpuscular bodies. Finally, in 1839, these observations were combined together by Schwann into one general theory.
"I have been deeply impressed," said Captain Sybil, "with the child-like faith of some of these people. I do not mean to say that they are consistent Christians, but I do think that this faith has in a measure underlain the life of the race. It has been a golden thread woven amid the sombre tissues of their lives. A ray of light shimmering amid the gloom of their condition.
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