System of Surgery, Vol. 4: Tumors, Hernia, Surgery of the Alimentary Canal, Appendicitis, Surgery of the Liver and Biliary Passages, of the Uterus, of ... Surgery of the Thyroid, Surgical Peculiarit - Softcover

Dennis, Frederic Shepard

Softcover

ISBN 10: 1390537870 ISBN 13: 9781390537871

Publisher: Forgotten Books, 2018

Synopsis

Excerpt from System of Surgery, Vol. 4: Tumors, Hernia, Surgery of the Alimentary Canal, Appendicitis, Surgery of the Liver and Biliary Passages, of the Uterus, of the Ovaries and Tubes, Gynecological Surgery, Symphysiotomy, Surgery of the Thyroid, Surgical Peculiarities of the Negro

A tumor has been defined as a circumscribed new formation, but it contains no structural elements which are not found normally in the body. A tumor is the result of tissue-proliferation derived from one or more of the blastodermic layers of the foetus. Liicke has defined a tumor as an increase of volume by the production of new tissue with out any corresponding physiological function. Hypertrophies are due to local changes in the nutrition of the tissue or organ, and have a tend ency to become checked with a cessation Of the action of the exciting cause. Tumors must not be embraced in the category of inflammatory new formations, which also have a tendency to become arrested and to disappear by resolution or by suppuration and, finally, tumors must. Not be included in the category of cysts formed by extravasation of blood or by the development of fluid within a normal or obsolete duct; or, again, by the swellings caused by the displacement of some organ in the body. As a general rule, tumors are found in parts Where in the foetus the cell-growth is complicated, as the junction of the skin, labial glands, and mucous membrane, a typical illustration of which is seen in cancer of the lip.

Tumors are also found in places where there is great physiological activity, as the female breast, the testicle, the parotid gland, and the uterus, and in parts which are subjected to unusual mechanical irritation, as the lips, pylorus, ileo-caecal valve, and rectum. Tumors are also frequently found to affect organs which are especially movable, as the tongue, breast, and uterus.

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Edition details

• Publisher: Forgotten Books
• Publication date: 2018
• Language: English
• ISBN 10: 1390537870
• ISBN 13: 9781390537871
• Binding: Paperback
• Number of pages: 1008