A text-book of physiology . e V, and in the aorta A^, and of the movementsof the lever of the balance indicating differences of pressure Dbetween the ventricle and the aorta. At the base line x—x of D thetwo pressures are equal. The course of the curve below this baseline indicates that the pressure in the ventricle is below that of theaorta; as the curve approaches towards the base line the pressurein the ventricle becomes more and more nearly equal to that inthe aorta; and such part of the curve as lies above the base lineindicates (except in so far as it may be due to the inertia of the Cha
A text-book of physiology . e V, and in the aorta A^, and of the movementsof the lever of the balance indicating differences of pressure Dbetween the ventricle and the aorta. At the base line x—x of D thetwo pressures are equal. The course of the curve below this baseline indicates that the pressure in the ventricle is below that of theaorta; as the curve approaches towards the base line the pressurein the ventricle becomes more and more nearly equal to that inthe aorta; and such part of the curve as lies above the base lineindicates (except in so far as it may be due to the inertia of the Chap, iv.] THE VASCULAE MECHANISM. 255 instrument) that the pressure in the ventricle is for the timebeing above that in the aorta. t t ;jxjxjx Fig. 52. Simultaneous Curves of Aortic and Ventricular Pressure andOF THE Differential Manometer. Hurthle. A*^. aorta. V. ventricle. D. differential manometer, x—x, the base line in eachrespectively. The recording surface is travelling slowly, the time marker t, t mark-ing
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