The Elements of Physiology and Hygiene: A Text-book for Educational InstitutionsD. Appleton, 1868 - 420 páginas |
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Palavras e frases frequentes
action activity afferent afferent nerves alimentary amount amyloids animal artery auditory auricle axis becomes blood body bone brain called canal capillaries carbonic acid cartilage causes cavity cells centre cerebral coagulation colorless corpuscles condition connected constitution contains contraction convex corpuscles cubic delicate delusions digested disease duct effect elastic epithelium excitement exercise external fenestra ovalis fibrin fluid functions give rise glands grains heart heat Hence hepatic vein impulses impure injurious insanity intestine irritation kidneys lacunæ layer lens less levers ligament liver lungs medulla oblongata mental mind mucous membrane muscles muscular fibres nature nitrogen nutrition object optic nerve organic matter oxygen papilla pass physiological posterior produced proteids quantity reflex action retina salts scala scala media SECTION sensations sensory side skin solid structure substance surface temperature thyroid cartilage tion tissue trunk tube valves veins ventricle vessels vibrations walls
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Página 251 - ... conscious actions into more or less unconscious, or reflex, operations. It may be laid down as a rule, that if any two mental states be called up together, or in succession, with due frequency and vividness, the subsequent production of the one of them will suffice to call up the other, and that whether we desire it or not.
Página 176 - ... how it is that anything so remarkable as a state of consciousness comes about as the result of irritating nervous tissue, is just as unaccountable as the appearance of the Djin when Aladdin rubbed his lamp in the story.
Página 222 - At this time Mrs. A. had no idea that the sight of the cat was an illusion. When she was asked to touch it, she got up for the purpose, and seemed as if she were pursuing something which moved away. She followed a few steps, and then said,
Página 223 - October, when sitting in the drawingroom, on one side of the fire-place, she saw the figure of another deceased friend moving towards her from the window at the farther end of the room. It approached the fire-place, and sat down in the chair opposite. As there were several persons in the room at the time, she describes the idea uppermost in her mind to have been a fear lest they should...
Página 220 - She then opened two other doors of the same room, and upon seeing no person, she returned to the fireplace. After a few moments, she heard the same voice still calling : " , come to me ! come ! come away!
Página 250 - There is a story, which is credible enough, though it may not be true, of a practical joker, who, seeing a discharged veteran carrying home his dinner, suddenly called out, 'Attention!' whereupon the man instantly brought his hands down, and lost his mutton and potatoes in the gutter. The drill had been thorough, and its effects had become embodied in the man's nervous structure...
Página 417 - Hemispherical Ganglia ; Cortical Cells of the Cerebral Hemispheres; Ideational Nervous Centres, Primary Nervous Centres; Intellectorium Commune. — VI.
Página 284 - Invariably it will be found on examination that a truly scrofulous disease is caused by a vitiated air, and it is not always necessary that there should have been a prolonged stay in such an atmosphere. Often a few hours each day is sufficient...