Licence: Public Domain Mark
Credit: Elements of human physiology. Source: Wellcome Collection.
Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.
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![Chap. III.] Action of the Heart. is seen, also, that the systole of tlie auricle is sharp and short, the line rising suddenly, and as suddenly falling; the line remains low, with some slight undulations, for some time, then slowly rises as the veins continue to deliver their blood into the auricle. It is seen, further,](https://iiif.wellcomecollection.org/image/b21210433_0035.jp2/full/800%2C/0/default.jpg)