The Morbid Anatomy of Some of the Most Important Parts of the Human Body

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G.W. Nichols, 1808 - 271 pagina's

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Pagina 5 - It is very much to be regretted that the knowledge of morbid structure does not lead with certainty to the knowledge of morbid actions, although the one is the effect of the other; yet surely it lays the most solid foundation for prosecuting such inquiries with success. In proportion, therefore, as we shall become acquainted with the changes produced in the structure of parts from diseased actions, we shall be more likely to make some progress towards a knowledge of the actions themselves, although...
Pagina 31 - Cases have occurred, though very rarely, in which a large quantity of blood has been accumulated in the cavity of the pericardium, but where no rupture could be discovered after the most diligent search, either in the heart itself, or in any of its vessels. This appears very wonderful, and not at all what any person would expect ą priori. Two conjectures have occurred to me, to explain this phenomenon: 1st, that the blood-vessels on the surface of the heart have lost their compactness of tissue,...
Pagina 5 - The object of this work is to explain, more minutely than has hitherto been done, the changes of structure arising from morbid actions in some of the most important parts of the human body.
Pagina 6 - This is the most general cause of false opinions, which have not only pervaded medicine, but every other branch of knowledge. When, however, the mind shall be obliged to observe facts which cannot be reconciled with such opinions, it will be evident that the opinions are ill founded, and they will be laid aside. We grant, it does not always happen that men are induced to give up their opinions, or even to think them wrong, upon observing facts which do not agree with them, but surely it is the best...
Pagina 109 - sometimes extends over a considerable length of the gut, viz. several inches ; but generally it is more circumscribed. The peritoneal, muscular, and internal coats are much thicker and harder than in a natural state. The muscular, too, is subdivided by membranous septa, and the internal coat is sometimes formed into hard, irregular folds. It often happens that the surface of the inner membrane is ulcerated, producing cancer. Every vestige of the natural structure is occasionally lost, and the gut...
Pagina 50 - Start's works, p. 28. larger than the heads of very small pins, and in ease are frequently accumulated in small clusters. The smaller tubercles of a cluster probably grow together and form one larger tubercle. The most ordinary size of tubercles is about that of a garden pea, but they are subject in this respect to much variety. They adhere pretty closely to the substance of the lungs, have no peculiar covering or eapsule, and have little or no vascularity.
Pagina 6 - ... described too generally. The descriptions, too, of the principal diseased appearances, have been sometimes obscured by taking notice of smaller collateral circumstances, which had no connection with them, or the diseases from whence they arose. Both of these faults too frequently occur even in the stupendous work of Morgagni, ' De Causis et Sedibus Morborum ;' upon which, when considered in all its parts, it would be difficult to bestow too high praise : besides, the bulk...
Pagina 51 - In cutting into the lungs, a considerable portion of their structure sometimes appears to be changed into a whitish soft matter, somewhat intermediate between a solid and a fluid, like a scrofulous gland just beginning to suppurate. This appearance is, I believe, produced by scrofulous matter being deposited in the cellular substance of a certain portion of the lungs, and advancing towards suppuration. It seems to be the same matter with that of tubercle, but only diffused uniformly over a considerable...
Pagina 133 - Its size, however, is generally not larger than in a healthy state, and I think it is often smaller. If a section of the liver be made in this state, its vessels seem to have a smaller diameter than they have naturally. It very frequently happens that in this state the liver is of a yellow colour, arising from the bile accumulated in its substance; and there is also water in the cavity of the abdomen, which is yellow from the mixture of bile. The gall-bladder is generally much contracted, and of...
Pagina 6 - ... accurately how far the symptoms and the appearances agree with each other; he will be able also to give a more distinct account of what he has observed, so that his data will become a more accurate ground of reasoning for others. " The natural structure of the different parts of the human body has been very minutely examined, so that anatomy may be said to have arrived at a high pitch of perfection ; but our knowledge of the changes of structure, produced by disease, which may be called the Morbid...

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