Outlines of Physiology: With an Appendix, Containing Heads of Lectures on Pathology and Therapeutics

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W. Blackwood, 1831 - 452 lappuses

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215. lappuse - When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.
354. lappuse - The legs are slender. longer in proportion to the size of the body than in the adult, tarsi I slender, two and one-half times as long as broad.
243. lappuse - That our thoughts and sensations must have a subject, which we call ourself, is not therefore an opinion got by reasoning, but a natural principle. That our sensations of touch indicate something external, extended, figured, hard, or soft, is not a deduction of reason, but a natural principle. The belief of it, and the very conception of it, are equally parts of our constitution. If we are deceived in it, we are deceived by him that made us, and there is no remedy.
254. lappuse - We perceive two, or more objects — this is one state of the mind. We are struck with the feeling of their resemblance in certain respects. This is a second state of the mind. We then, in the third stage, give a name to these circumstances of felt resemblance, a name which is, of course, applied afterwards only where this relation of similarity is felt.
208. lappuse - a decisive proof of this being the true representation of this part of our mental constitution, is obtained by attending to the idea of extension or space; which is undoubtedly formed during the exercise of the sense of touch; and is no sooner formed than it 'swells in the human mind to Infinity,' to which certainly no human sensation can bear any resemblance.
134. lappuse - ... required, not in order that sensations may be felt, but that they may be remembered, and availed of for useful purposes, — not in order that volitions may act as stimuli on muscles, but that they may be so excited, and so succeed one another, as to produce regular and useful voluntary actions, under the guidance of desires, and of judgment and experience, as distinguished from blind instinct.
176. lappuse - whatever be the conditions under which the nerves of the stomach become the seat of these sensations, it is certain that, in the healthy state, they are a true index, not only to the state of the stomach, but to the immediate wants of the system at large.
133. lappuse - Alison, concluded that it is satisfactorily ascertained that no point of the brain, higher than the corpora quadrigemina nor of the cerebellum is essentially concerned in sensation.
133. lappuse - ... without the intervention of those processes by which we observe material changes external to our minds; but we judge of them in others, only by inferences founded on the actions to which they give rise, when compared with our own. When we speak of sensation, thought, emotion, or volition, therefore, as functions of the Nervous System, we mean only that this system furnishes the conditions under which they take place in the living body...

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