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I was vexed, and paused, waiting for the renewed gush of blood that I might seize the vessel again; but to my surprise not a drop more blood came from the arterial trunk. That turn and a half, considerable pressure having been used, had completely arrested the hemorrhage. I can safely say that not more than four drachms of arterial blood were lost.
The degree of hemorrhage depends on the kind, number and size of the blood-vessels severed. In arterial hemorrhage, the blood is bright red and spurts from the mouth of the cut vessel. In venous hemorrhage, the blood is darker and flows in a continuous stream. In abrasions and superficial wounds capillary hemorrhage occurs. Death may follow severe hemorrhage.
This great arterial trunk now passes down in front of the spine to the pelvis, where it divides into two main branches, which supply the pelvis and the lower limbs. The descending aorta, while passing downwards, gives off arteries to the different tissues and organs.
The wonderful complication and delicacy of a Frog's nervous system and arterial circulation were shown by this school to be more susceptible of enjoyment than our inferior, or at least simpler, physical frame allows us to be. The examination of a Frog's hand, if I may use that expression, accounted for its keener susceptibility to love, and to social life in general.
In every country the 'dangerous classes' are those who do no work; for instance, the nobility in Europe and the slaveholders here. It is evident that the world needs a new nobility, not of the gold medal and sangre azul order; not of the blood that is blue because it stagnates, but of the red arterial blood that circulates, and has heart in it and life and labor."
In some cases the vessel wall is softened by arteritis especially the embolic form so that it yields before the pressure of the blood. Repeated and sudden raising of the arterial tension, as a result, for example, of violent muscular efforts or of excessive indulgence in alcohol, plays an important part in the causation of aneurysm.
In the innumerable branches of this artery expanding themselves throughout the substance of the lungs, the dark blood is subjected to the contact of the air inhaled in breathing, and a change in the composition both of the blood and of the inhaled air takes place, in consequence of which the former is found to have reassumed its florid or arterial hue, and to have regained its power of supporting life.
The clinical features resemble those associated with varicose veins, but the entrance of arterial blood into the dilated veins causes them to pulsate, and produces in them a vibratory thrill and a loud murmur. In those at the groin, the distension of the veins may be so great that they look like sinuses running through the muscles, a feature that must be taken into account in any operation.
If, however, the tongue be much furred, with a bright inflammatory appearance around the edges, with high arterial excitement, and disgust of food, with general anxiety and craving for water in small but frequent quantities, inflammation of the stomach or bowels may be suspected.
He had never spoken such words arterial words, as they were, though the commonest, and with moist brows, dry lips, he could have resumed, have said more, have taken this woman, this dream of the former bride, the present stranger, into his chamber of the brave aims and sentenced deeds. Her brother in the room was the barrier; and she sat mute, large-eyed, expressionless.
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