An Anatomical Dissertation Upon the Movement of the Heart and Blood in Animals: Being a Statement of the Discovery of the Circulation of the Blood |
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An Anatomical Dissertation Upon the Movement of the Heart and Blood in ... William Harvey No preview available - 2018 |
Common terms and phrases
aëre aërem aliis animalibus animals aorta Aristotle arteriarum auricles auricula autem blood body bronchia CAPVT caua caufa chyle contingit contraction copia corde cordis corporis corpus dextro diastole dilated distended DOCTOR HARVEY'S effe enim eodem etiam fanguinem fanguinis fanguis fecundum femper fieri fimiliter fimul finiftrum ventriculum fint fiue folum forfan fpiritus fuligines funt fupra Galen habet hæc HARVEY heart Hieronymus Fabricius hinc illa ipfum left ventricle licet ligature lungs magis maiori manifeftum modo motu motum movement neceffe neque nifi nihil omnes omni omnia omnibus omnino pene poffe poffit poft primum pulfus pulmonary artery pulmonary veins pulmones pulmonibus pulmonum pulsate pulse quæ quafi quam quantity quia quibus quod quomodo right ventricle rurfus systole tanquam valuulæ valuularum valves vena cava venæ venam venarum venis in arterias venofam ventriculum vero vessel vfque vnde
Popular passages
Page 72 - ... it is absolutely necessary to conclude that the blood in the animal body is impelled in a circle, and is in a state of ceaseless motion...
Page 37 - Had anatomists only been as conversant with the dissection of the lower animals as they are with that of the human body, the matters that have hitherto kept them in a perplexity of doubt would, in my opinion, have met them freed from every kind of difficulty.
Page 33 - ... though one wheel gives motion to another, yet all the wheels seem to move simultaneously; or in that mechanical contrivance which is adapted to firearms, where the trigger being touched, down comes the flint, strikes against the steel, elicits a spark, which falling among the powder, it is ignited, upon which the flame extends, enters the barrel, causes the explosion, propels the ball, and the mark is attained — all of which incidents, by reason of the celerity with which they happen, seem...
Page 20 - ... is accomplished in the twinkling of an eye, coming and going like a flash of lightning; so that the systole presented itself to me now from this point, now from that; the diastole the same; and then everything was reversed, the motions occurring, as it seemed, variously and confusedly together.
Page 20 - These views as usual, pleased some more, others less; some chid and calumniated me, and laid it to me as a crime that I had dared to depart from the precepts and opinions of all anatomists...
Page 71 - ... of the flesh, and then flows by the veins from the circumference on every side to the centre, from the lesser to the greater veins, and is by them finally discharged into the vena cava and right auricle of the heart, and this in such a quantity or in such a flux and reflux thither by the...
Page 39 - This canal shrinks gradually after birth, and after a time becomes withered, and finally almost removed, like the umbilical vessels. The arterial canal contains no membrane or valve to direct or impede the flow of blood in this or in that direction: for at the root of the pulmonary artery, of which the arterial canal is the continuation in the foetus, there are three semilunar valves, which open from within outwards, and oppose no obstacle to the blood flowing in this direction or from the right...
Page 49 - ... getting ruptured through the excessive charge of blood, unless the blood should somehow find its way from the arteries into the veins, and so return to the right side of the heart ; I began to think whether there might not be A MOTION, AS IT WERE, IN A CIRCLE.
Page 22 - ... small fishes and of those colder animals where the organ is more conical or elongated. 3. The heart being grasped in the hand, is felt to become harder during its action. Now this hardness proceeds from tension, precisely as when the forearm is grasped, its tendons are perceived to become tense and resilient when the fingers are moved. 4. It may further be observed in fishes, and the colder...