The Medico-chirurgical Review, Volume 43

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S. Highley, 1843 - Medicine
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Page 395 - In spring, when those organs of plants are absent, which nature has appointed for the assumption of nourishment from the atmosphere, the component substance of the seeds is exclusively employed in the formation of the roots. Each new radicle fibril which a plant acquires may be regarded as constituting at the same time a mouth, a lung, and a stomach. The roots perform the functions of the leaves from the first moment of their formation ; they extract from the soil their proper nutriment, namely,...
Page 273 - TREATISE ON FOOD AND DIET: With Observations on the Dietetical Regimen suited for Disordered States of the Digestive Organs ; and an Account of the Dietaries of some of the principal Metropolitan and other Establishments for Paupers, Lunatics, Criminals, Children, the Sick, &c. By JON. PEREIRA, MDFRS & LS Author of
Page 537 - OWEN. - LECTURES ON THE COMPARATIVE ANATOMY and PHYSIOLOGY of the INVERTEBRATE ANIMALS, delivered at the Royal College of Surgeons in 1843.
Page 395 - ... to extract food from the atmosphere. In former periods of the earth's history, its surface was covered with plants, the remains of which are still found in the coal formations. These plants — the gigantic monocotyledons, ferns, palms, and reeds — belong to a class to which nature has given the power, by means of an immense extension of their leaves, to dispense with nourishment from the soil. They resemble in this respect the plants which we raise from bulbs and tubers, and which live while...
Page 83 - DISEASES OF THE SKIN : A Practical and Theoretical Treatise on the DIAGNOSIS, PATHOLOGY, and TREATMENT OF CUTANEOUS DISEASES.
Page 401 - It is the greatest possible mistake to suppose that the temporary diminution of fertility in a soil is owing to the loss of humus ; it is the mere consequence of the exhaustion of the alkalies.
Page 35 - ... office for examination and registry at least one week before the candidate appears for examination, and likewise certificates of moral conduct and character, one of them by a clergyman, and that of the parochial minister is desirable.
Page 399 - ... with the water which evaporates. The carbonate of ammonia contained in rain-water is decomposed by gypsum, in precisely the same manner as in the manufacture of sal-ammoniac. Soluble sulphate of ammonia and carbonate of lime are formed ; and this salt of ammonia possessing no volatility is consequently retained in the soil. All the gypsum gradually disappears, but its action upon the carbonate of ammonia continues as long as a trace of it exists.
Page 278 - ... prove that the oxygen, in the respiratory process, consumes, without exception, all such substances as are capable of entering into combination with it. It combines with whatever is presented to it ; and the deficiency of hydrogen is the only reason why carbonic acid is the chief product ; for, at the temperature of the body, the affinity of hydrogen for oxygen far surpasses that of carbon for the same element.
Page 369 - I have referred rests on this doctrine : ' the population is increasing in a geometrical progression, the means of subsistence in an arithmetical progression, and unless wars, destructive epidemics, marshes, dense towns, close workshops, and other deadly agents, carry off the excess of the numbers born — unless the outlets of life and blood be left open — the whole people must be exposed to a slow process of starvation.

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