Abnormal vasodilatation seriously interferes with the normal circulation, and causes venous congestion, abnormal increase in venous blood pressure, and the consequent danger of shock and death.
If the blood be welling up from the wound and of a dark red colour it is venous blood, if it spurt up from the wound and be of a bright red colour it is arterial blood.
Understand that what you have to do is to gently press the returning stream of venous blood on in its course from the weighted brow back over the top of the head.
Venous blood, collected by the veins after it has done its work all over the body, or blood stagnating in congested organs, is useless for growth and healing.
Venous blood is that which is returning through the veins of the body from the organs to which it has been circulated.
Venous blood contains more carbonic acid, and less oxygen and nitrogen than arterial blood.
The florid hue which distinguished it in the arteries has disappeared, and given place to the dark color characteristic of venous blood.
When spirituous liquors are taken into the stomach, for example, they are absorbed by the veins and mixed with the venous blood, in which they are carried to the lungs to be expelled from the body.
The first is an adequate provision of new materials from the food to supply the place of those which have been expended in nutrition, and the second is the free exposure of the venous blood to the atmospheric air.
The Veins are the vessels through which the venous blood returns to the auricles of the heart.
This impure, venous blood, surcharged with biliary elements, which must be withdrawn from it, is freely poured into the minute network of this glandular organ.
Thus, the right heart always carries the dark or venous blood, and the left always circulates the bright or arterial blood.
By means of the spectroscope, we learn that the change of color in the blood has its seat in the corpuscles; and that, according as they retain oxygen, or release it, they present the spectrum of arterial or venous blood.
Venous blood is removed from the right side of the heart directly or indirectly, and the veins, only when it is deemed necessary by the operator.
In ecchymosis the blood capillaries being ruptured, the blood permeates the bruised tissues surrounding the ruptured vessels and thus gives the characteristic color of venous blood.
One communicates with the lungs, the other with the aorta; and the latter has hardly performed its distribution in the upper part of the body when it meets, as it descends, with a treacherous tube bringing to it a current of venous blood.
Be this as it may, venous blood arrives from the right ventricle through the pulmonary artery.
The same mixture issues from all wounds, whether small or great, and on this account people are unanimous in declaring that blood is red; a statement which is not true of either arterial or venous blood, separately.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "venous blood" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
