Inhaltsangabe
This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1808. Not illustrated. Excerpt: ... DISCOURSE ir. ON THE UNLIMITED GROWTH OF TUMORS; THS FACT PROVED BY VARIOUS EXAMPLES, AND INFERENCES OF VERY GENERAL APPLICATION IN FRACT1CS DEDUCED FROM IT. What the laws and ordinances of nature are, in nourishing and maintaining the parts of the animal body, we need not too scrupulously inquire: how the particles of which it is composed become unfit for their uses, why they are absorbed, how they are replaced: by what sort of secretion bony particles are supplied by bony particles, muscle by muscle, or skin by (kin. It is sufficient that we know that this is the work of living and active vessels, and that this work is sparingly performed when their action is low, perfectly when their action is vigorous and healthy, and which is so invigorated by various excitements as to produce, in parts much used, an augmentation of bulk, and, in parts morbidly excited, an unnatural size. Into these laws we need not inquire, fince we find we can but slightly influence the functions of nutrition and secretion essential to ordinary health, while the morbid increase of action, from which tumors and unnatural growths arise, we can in no degree controul. To enter into such a train of inquiry would delay the useful and practical purpose of my discourse, which is to describe the characters, forms, and effects of tumors, and it would be not less vain than idle; for the physiologist might as well pretend to investigate the process, by which the individual begets a succession of individuals, as that by which the animal body generates new parts: how other secretions are generated we must first learn, before we can know how nutrition is performed, or the atoms and particles of the human frame continually withdrawn and replaced, so as to maintain the individual body, though by particles...
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