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admit albumen anatomists aorta appears Aristotle arteries auricle become birds blood body brain cavity chalazae chick chorion chyle circulation cock colliquament colour conception concocted contained contraction diastole dilated distended efficient cause embryo engendered especially external eyes Fabricius faculty fecundity female fleshy foetus formed fowl fruitful further Galen Harvey Harvey's heart heat incubation inherent innate heat intercourse intestines kind larger left ventricle ligature liver lungs male manner matter membrane milk motion nature nourished nutriment nutrition observed opinion organs orifice ovary oviparous ovum pass perceive perfect physician placenta portion proceed produced prolific pulmonary pulmonary artery pulmonary veins pulsating pulse quantity reason right ventricle rudiments seed seen semen seminal fluid shell soul spirits substance things tion umbilical veins umbilical vessels urine uterine uterus valves vegetative veins vena cava vesicle vital principle vitellus viviparous viviparous animals whence Wherefore whilst whole William Harvey yelk
Page 19 - the motion of the heart was only to be comprehended by God. For I could neither rightly perceive at first when the systole and when the diastole took place, nor when and where dilatation and contraction occurred, by reason of
Page lxxix - only been as conversant with the dissection of the lower animals as they are with that of the human body, many 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 49 - by the heart at each pulse into the aorta; which quantity, by reason of the valves at the root of the vessel, can by no means return into the ventricle. Now in the course of half an hour, the heart will have made more than one thousand
Page 19 - should have said that the motion of the heart was as perplexing as the flux and reflux of Euripus had appeared to Aristotle. At length, and by using greater and daily diligence, having frequent recourse to vivisections, employing a variety of
Page 25 - which plainly satisfied me of this truth: A certain person was affected with a large pulsating tumour on the right side of the neck, called an aneurism, just at that part where the artery descends into the axilla, produced by an erosion of the artery itself, and daily increasing in size; this tumour was
Page 53 - the testimony of his own eyes. If a live snake be laid open, the heart will be seen pulsating quietly, distinctly, for more than an hour, moving like a worm, contracting in its longitudinal dimensions, (for it is of an oblong shape,) and propelling its contents ; becoming of a paler colour in
Page 49 - little, a mere nothing, or an imaginary something: all this, indeed, has already been refuted ; and is, besides, contrary both to sense and reason. For if it be a necessary effect of the dilatation of the heart that its ventricles become filled with blood, it is equally so that, contracting, these cavities
Page 53 - out. But if any one shall here object that a large quantity may pass through and yet no necessity be found for a circulation, that all may come from the meat and drink consumed, and quote as an illustration the abundant supply of milk in the mammse—for a cow will give three, four, and even seven gallons
Page 481 - And whilst I speak of these matters, let gentle minds forgive me, if, recalling the irreparable injuries I have suffered, I here give vent to a sigh. This is the cause of my sorrow :—whilst in attendance on his majesty the king during our late troubles and more than civil wars, not only