I. On the law which regulates the relative magnitude of the areas of the four orifices of the heart
1870 ◽
Vol 18
(114-122)
◽
pp. 265-286
I propose in this communication to inquire whether any law can be discovered which determines the relative magnitude of the areas of the tricuspid, pulmonic, mitral, and aortic orifices—the four principal openings in the heart. Although to ordinary observation these orifices appear to exhibit no mutual relationship of size, there can be no doubt that an instrument so accurate in the adaptation of its valvular apparatus, and so exact in the working of its different parts, must reveal on close examination the existence of laws which not only determine the force required to be impressed upon the blood traversing its chambers, but also the relative sizes of these apertures to one another.
1959 ◽
Vol 14
(7)
◽
pp. 839-842
2014 ◽
pp. 227-240
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