Principles of human physiologyBlanchard and Lea, 1853 - 1058 σελίδες |
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Συχνά εμφανιζόμενοι όροι και φράσεις
action albumen alimentary amount animals appears artery bile blood vessels body bone canal capillary carbonic acid cartilage cavity cells centres chemical chyle circulation coagulation colorless corpuscles compounds condition connected constituents contains continued contractility contraction dentine diameter digestive disease effect entirely excited excretion existence experiments fact fatty fibres fibrin fibrous fluid follicles functions ganglionic gastric glands heat increase influence intestinal irritation lacteals lactic acid lacunæ liver lungs matter Medulla Oblongata membrane motor movements mucous mucous membrane muscles muscular nerves nervous system nuclei nutrition observed operation ordinary organs oxygen papillæ peculiar phosphate Physiology plexus portion posterior present produced Prof proportion quantity red corpuscles reflex reflex actions regard remarkable respiration respiratory secretion seems sensory shown solid Spinal Cord stomach structure substance supply surface takes place temperature tion tissues trunk tube undergo urea uric acid urine usually veins venous vital whilst
Δημοφιλή αποσπάσματα
Σελίδα 210 - each single part of the body, in respect of its nutrition, stands to the whole body in the relation of an excreted substance ; ' in other words, every part of the body, by taking from the blood the peculiar substances which it needs for its own nutrition, does thereby act as an excretory organ; inasmuch as it removes from the blood that which, if retained in it, would be injurious to the rest of the body.
Σελίδα 41 - The peculiar prehensile power of the human hand is chiefly dependent upon the length, power, and mobility of the thumb, which can be brought into exact opposition to the extremities of all the fingers, whether separately or grouped together.
Σελίδα 34 - ... what are the fewest assumptions, which being granted, the order of nature as it exists would be the result? What are the fewest general propositions from which all the uniformities existing in nature could be deduced?
Σελίδα 211 - ... rudimental state on the general surface of our bodies, and to that of many other permanently rudimental organs, such as the mammary glands of the male and others. For these rudimental organs certainly do not serve, in a lower degree, the same purposes as are served by the homologous parts which are completely developed in other species, or in the other sex. To say they are useless, is contrary to all we know of the absolute perfection and all-pervading purpose of creation ; to say they exist...
Σελίδα 323 - The muscles of one of the paralyzed limbs were daily exercised by a weak galvanic battery; while those of the other limb were allowed to remain quiescent. This was continued for two months; and at the end of that time, the muscles of the exercised limb retained their original • size and firmness, and contracted vigorously, while those of the quiescent limb had shrunk to at least one-half of their former bulk, and presented a marked contrast with those of the exercised limb.
Σελίδα 211 - ... a reasonable hypothesis, that the order in which the several organs of the body appear in the course of development, while it is conformable to the law of imitation of the parent, and with the law of progressive ascent towards the higher grade of being, is yet (at least in...
Σελίδα vii - With Dr. Smith, we confidently believe "that the present will more than sustain the enviable reputation already attained by former editions, of being one of the fullest and most complete treatises on the subject in the English language.
Σελίδα 184 - ... the serum of the blood of the hepatic veins. If we compare the solid constituents of the serum of both kinds of blood, we find less albumen and fat, and far less salts, in the blood of the hepatic veins, while the quantity of extractive matter, including sugar, is perceptibly augmented.
Σελίδα 144 - Electricity into motion when the self-repulsive action separates the particles from each other. For just as Heat, Light, Chemical affinity, &c., are transformed into vital force, so is vital force capable of manifesting itself in the production of Light, Heat, Electricity, Chemical affinity, or mechanical motion; thus completing the proof of that mutual relationship or
Σελίδα 144 - Thus we may say, that Light and Heat acting upon the organic germ, become transformed into Vital force, in the same manner as Heat acting upon a certain combination of metals becomes Electricity, or as Electricity acting upon iron develops itself as Magnetism ; and we shall find that this view is in complete harmony with all the phenomena of Vital action. Moreover, the Vital force thus engendered frequently...