Electro-physiology and electro-therapeuticsTicknor and Fields, 1860 - 708 pages |
Common terms and phrases
animal electricity appears applied battery blood body brain branches cause cervical chemical action circuit conductor connection continuous contraction convulsions copper degree direction disease dorsal down-running Dubois-Reymond Duchenne effects elec electric current electro-magnetic electrodes employed excitability experiments Extensor facial nerve flexors frog galvanic current galvanometer glass heat increased induction currents influence insulated intensity irritability lesion Leyden jar lightning limb lumbar lumbar nerves machine magnetic medulla oblongata metal motion motor nerves muscle fibres muscular natural needle negative pole nerve trunk nerves and muscles nervous neuralgia neuralgic observed organism pain pair palsy paralysis paralyzed pass patient peculiar phenomena physiological pile plate plexus portion posterior produced quantity reflex action rheumatism says scapula sciatica seance sensation shock side skin sparks spinal cord spine surface tetanic thigh tion tissues trapezius traversed treatment tricity up-running upper uterus vertebrę voltaic voltaic pile wire zinc
Popular passages
Page 63 - Leyden, of much eminence, said that "he felt himself struck in his arms, shoulders, and breast, so that he lost his breath; and it was two days before he recovered from the effects of the blow and the terror ; adding, that he would not take a second shock for the kingdom of France.
Page 472 - ... in the brain, down the entire length of the anterior horns of the gray matter of the spinal cord, and includes the locus niger in the crus cercbri, as also much of the vesicular matter of the mesocephale and of the medulla oblongata.
Page 539 - I tried the medulla oblongata ; the effects of the stimulation of this organ were much the same as those produced by irritating the cord. " I then tried the corpora quadrigemina and the mesocephale. Having passed fine bradawls into the cranium, in such a direction as I had previously satisfied myself would lead to this organ, I subjected it to the influence of the machine ; general convulsions were produced, of a character essentially different from those which resulted from stimulating the spinal...
Page 17 - C is nothing more than the result of a particular modification in the state of bodies. This modification probably depends on the mutual action exercised on each other by the ponderable particles of matter, and the subtle fluid that surrounds them on every side...
Page 453 - The dissector has observed that the spermatic cord in the male and the round ligament in the female pierces the abdominal wall above Poupart's ligament.
Page 623 - The battery is a compound one of Smee's, and consists of six pairs of plates of zinc and platinized silver, contained in six cells, which are set in action by one fluid, viz., dilute sulphuric acid. The battery may of course vary according to the choice and taste of the operator, but it is desirable to render it as elegant and as simple in
Page 582 - Again, are not the whole of what we call vital phenomena produced by certain modifications of the electro-galvanicmagnetic matter and motions ? And do we not find that these vital phenomena are continuously affected by the relative state of the surrounding electric medium ? To what can we attribute the present fluctuating condition of the barometer, if not to it ?" We know what wonderful decomposing action galvanism had on alkalies...
Page 582 - ... various conditions, on the fluids generally of the animal body. Chemistry has failed in pointing out any ponderable material as the exciting cause of epidemic diseases. In the treatment of cholera all are agreed that non-conducting substances on the surface of the skin aid...
Page 51 - I was endeavouring to find. Nevertheless, I was not yet convinced; because one might attribute the fact to the moisture that was in the air, or to the irregularities of the electric...
Page 50 - In the first place we find that the atmospheric tides attain their maximum and minimum at certain hours of the day; for there are • tides in the circumambient atmosphere, as well as in the circumambient ocean ; and therewith there are also changes in the electricity of the air, and the magnetism of the earth. From 8 to...