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This may be observed in sarcoma of the kidney, the growth taking place along the renal vein until it projects into the vena cava. [Illustration: FIG.
Three years had passed since the day at Vena di Fonte Alta, when Jeanne in despair had sworn to herself to love Piero no longer, feeling that henceforward she could love nothing else in the world. Nevertheless she always loved him; still, as in the past, she judged him with her intellect independent of her heart, an independence dear to her pride.
And now the discussion is brought to this point, that they who inquire into the ways by which the blood reaches the left ventricle of the heart: and pulmonary veins from the vena cava, will pursue the wisest course if they seek by dissection to discover the causes why in the larger and more perfect animals of mature age nature has rather chosen to make the blood percolate the parenchyma of the lungs, than, as in other instances, chosen a direct and obvious course for I assume that no other path or mode of transit can be entertained.
The essential lesion is the absence or deficiency of valves, so that they are incompetent and fail to support the column of blood which bears back upon them. Normally the valves in the femoral and iliac veins and in the inferior vena cava are imperfectly developed, so that in the erect posture the great saphena receives a large share of the backward pressure of the column of venous blood.
For their merchants; they are vena porta; and if they flourish not, a kingdom may have good limbs, but will have empty veins, and nourish little. Taxes and imposts upon them, do seldom good to the king's revenue; for that that he wins in the hundred, he leeseth in the shire; the particular rates being increased, but the total bulk of trading, rather decreased.
The liver is the most active organ in the body during detoxification. To reach an understanding of detoxification, it helps to know just what the liver does for us on an ongoing basis. The liver is a powerful chemical filter where blood is refined and purified. The liver passes this cleansed blood out through the superior vena cava, directly to the heart.
I made a great sacrifice for Carlino's sake when I returned to Vena after an absence of three years. I have always loved him, but the message from Jenne would make me face far greater sacrifices than this for him, make me face them willingly, though conscious of having lost all merit in them. I am not satisfied with your letters; I will tell you why sometime, but not now.
But in the incubated egg there are, as it were, two umbilical vessels, one from the albumen passing entire through the liver, and going straight to the heart; another from the yelk, ending in the vena portae; for it appears that the chick, in the first instance, is entirely formed and nourished by the white; but by the yelk after it has come to perfection and is excluded from the shell; for this part may still be found in the abdomen of the chick many days after its exclusion, and is a substitute for the milk to other animals.
But it must not be forgotten that man has a twofold respiration, one of the spirit and another of the body; and that the respiration of the spirit depends on the fibers from the brains, and the respiration of the body on the blood-vessels from the heart, and from the vena cava and aorta.
The elements of anatomy, physiology, and hygiene, are taught in all our high schools and academies, and it is no uncommon sight to see a class of girls handling the bones of a human skeleton, or, unmindful of stained fingers, searching for the semi-lunar valves in an ox's heart, with as much delight and intelligent interest as that with which they examine the parts of a watch or the machinery of a locomotive; while they can sketch on the black-board, in a few minutes, the form and relative location of all the important organs of the body, and follow the course of the blood from left auricle back to left auricle again, and that of the food, from the teeth to the descending vena cava.
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