William Harvey

Front Cover
T. Fisher Unwin, 1897 - Blood - 283 pages
 

Other editions - View all

Common terms and phrases

Popular passages

Page 91 - ... when it is perfectly formed, the shell gapeth open, and the first thing that appeareth is the aforesaid lace or string ; next come the legs of the bird hanging out, and as it groweth greater, it openeth the shell by degrees, till at length it is all come forth, and hangeth only by the bill ; in short space after, it cometh to full maturitie, and falleth into the sea, where it gathereth feathers, and groweth to a fowl bigger than a Mallard Bernacle Goose-Shell. and lesser than a Goose...
Page 219 - ... 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; that this is the act or function which the heart performs by means of its pulse; and that it is the sole and only end of the motion and contraction of the heart.
Page 219 - Since all things, both argument and ocular demonstration, show that the blood passes through the lungs and heart by the force of the ventricles, and is sent for distribution to all parts of the body, where it makes its way into the veins and pores 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...
Page 204 - And sooth to say, when I surveyed my mass of evidence, whether derived from vivisections, and my various reflections on them, or from the ventricles of the heart and the vessels that enter into and issue from them, the symmetry and size of these conduits — for nature, doing nothing in vain, would never have given them so large a relative size without a purpose...
Page 91 - ... finely woven, as it were, together, of a whitish colour, one end whereof is fastened unto the inside of the shell, even as the fish of oysters and mussels are ; the other end is made fast unto the belly of a rude mass or lump, which in time cometh to...
Page 203 - THUS far I have spoken of the passage of the blood from the veins into the arteries, and of the manner in which it is transmitted and distributed by the action of the heart; points to which some, moved either by the authority of Galen or Columbus, or the reasonings of others, will give in their adhesion. But what remains to be said upon the quantity and source of the blood which thus passes is of...
Page 204 - ... 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 192 - 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 opinion of all anatomists ; others desired further explanations of the novelties, which they said were both worthy of consideration, and might perchance be found of signal use.
Page 204 - AS IT WERE, IN A CIRCLE. Now this I afterwards found to be true ; and I finally saw that the blood, forced by the action of the left ventricle into the arteries, was distributed to the body at large, and its several parts, in the same manner as it is sent through the lungs, impelled by the right ventricle into the pulmonary artery, and that it then passed through the veins and along the vena cava, and so round to the left ventricle in the manner already indicated.
Page 131 - Journals of the House of Commons, however, contain a significant note: "Feb. 12, an. 1643-4. A motion this day made for Dr. Micklethwayte to be recommended to the Wardens and Masters of St. Bartholomew's Hospital, to be physician in the place of Dr. Harvey, who hath withdrawn himself from his charge and is retired to the party in arms against the Parliament.

Bibliographic information