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amputation anæsthetic anatomist anatomy aneurism animals anthrax antiseptic Arab arteries Asclepiads Avenzoar Avicenna bacillus bacillus anthracis Baer became Bichat blood body bone brain cause cells century B.C. Charles Darwin death described discovered discovery disease dissection doctrine early Ebers papyrus Egyptian embryology epidemic Erasistratus ether experiments fact fermentation fracture function Galen glands Greek Guy de Chauliac hæmorrhage Harvey heart Herophilus Hippocrates Hispaniola hospital human Hunter infection influence inhalation inoculated investigation Johannes Müller knowledge Laënnec later ligature Lister liver London lungs Magendie malaria medical science medicine ment Messua method Morgagni mosquito Müller muscles nature nerves nitrous oxide observed operation organs ovum parasite Pasteur pathology patient physician physiology plants practice pupil recognized reference Rhazes smallpox species spinal structure student surgeon surgery surgical Sydenham symptoms syphilis theory tion tissues translated treatise treatment veins ventricle Vesalius vessels Virchow wounds writes wrote yellow fever
Page 299 - I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection, in order to mark its relation to man's power of selection.
Page 293 - Malthus on Population"; and being well prepared to appreciate the struggle for existence which everywhere goes on from long-continued observation of the habits of animals and plants, it at once struck me that under these circumstances favorable variations would tend to be preserved, and unfavorable ones to be destroyed. The result of this would be the formation of new species. Here then I had at last got a theory by which to work...
Page 304 - Man scans with scrupulous care the character and pedigree of his horses, cattle, and dogs before he matches them; but when he comes to his own marriage he rarely, or never, takes any such care.
Page 121 - ... it is absolutely necessary to conclude that the blood in the animal body is impelled in a circle, and is in a state of ceaseless motion; that this is the act or function which the heart performs by means of its pulse ; and that it is the sole and only end of the motion and contraction of the heart.
Page 96 - And yet he was but esy of dispence; He kepte that he wan in pestilence. For gold in phisik is a cordial, Therfore he lovede gold in special.
Page 30 - Whoever is to acquire a competent knowledge of medicine, ought to be possessed of the following advantages: a natural disposition; instruction; a favorable position for the study; early tuition; love of labor; leisure. First of all, a natural talent is required; for, when Nature opposes, everything else is...
Page 269 - A thrilling, extending from the chest to the extremities, was almost immediately produced. I felt a sense of tangible extension, highly pleasurable, in every limb; my visible impressions were dazzling and apparently magnified; I heard distinctly every sound in the room, and was perfectly aware of my situation.
Page 119 - I began to think whether there might not be a motion, as it were, in a circle.