A Treatise on anatomy, physiology, and hygiene

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J.B. Lippincott & Company, 1852 - 466 pages
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Page 290 - I counted the perspiratory pores on the palm of the hand, and found 3528 in a square inch. Now, each of these pores being the aperture of a little tube of about a quarter of an inch long, it follows that in a square inch of skin on the palm of the hand, there exists a length of tube equal to 882 inches, or 73i feet.
Page 478 - Pocket Dictionary of the French and English Languages ; for the every-day purposes of Travellers and Students. Containing more than Five Thousand modern and current words, senses, and idiomatic phrases and renderings, not found in any other dictionary of the two languages.
Page 354 - ... largely uncovered : or why, with hesitating and bewildered steps, his eyes are rapidly and wildly in search of something. In this we only perceive the intent application of his mind to the objects of his apprehensions, and its direct influence on the outward organs.
Page 364 - Precisely analogous phenomena occur when, from intense mental excitement, the brain is kept long in a state of excessive activity. The only difference .is, that we can always see what happens in the eye, but rarely what takes place in the brain. Occasionally, however, cases of fracture of the skull occur, in which...
Page 95 - Whate'er you study, in whate'er you sweat, Indulge your taste. Some love the manly foils; The tennis some; and some the graceful dance. Others, more hardy, range the purple heath Or naked stubble; where from field to field The sounding coveys urge their labouring flight; Eager amid the rising cloud to pour The gun's unerring thunder: and there are "Whom still the meed
Page 355 - It is when the strong man is subdued by this mysterious influence of soul on body, and when the passions may be truly said to tear the breast, that we have the most afflicting picture of human frailty, and the most unequivocal proof, that it is the order of functions which we have been considering that is then affected.
Page 367 - From neglecting proper intervals of rest, the vascular excitement of the brain, which always accompanies activity of mind, has never time to subside, and a restless irritability of temper and disposition comes on, attended with sleeplessness and anxiety, for which no external cause can be assigned. The symptoms gradually become aggravated, the digestive functions give way, nutrition is impaired, and a sense of wretchedness is constantly present, which often leads to attempts at suicide.
Page 345 - The branches of distribution accompany the arteries which supply the different organs, and form communications around them, which are called plexuses, and take the name of the artery with which they are associated : thus we have the mesenteric plexus, hepatic plexus, splenic plexus, &c.
Page 158 - ... ascends obliquely to the under surface of the arch of the aorta, where it divides into the right and left pulmonary arteries.
Page 365 - ... body, as we have already seen exemplified in the injurious effects of premature exercise of the bones and muscles. Scrofulous and rickety children are the most usual sufferers in this way. They are generally remarkable for large heads, great precocity of understanding, and small, delicate bodies. But in such instances, the great size of the brain, and the acuteness of the mind, are the results of morbid growth, and even with the best management, the child passes the first years of its life constantly...

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