It has always appeared to me that those therapeutic agents which are capable of controlling hemorrhage where yellow fever is not present are completely neutralized by the effects of its toxic agent upon the vaso-motor nerves.
Sotnitschewsky[27] shows that a concurrent paralysis of the vaso-motor nerves, as claimed by Ranvier, is unnecessary.
All these operations paralyze the vaso-motor nerves by which, in health, the blood-vessels of the liver are kept in a state of tonic contraction; hence these vessels dilate when the nerves are cut.
These muscles are antagonistic to each other, and both possess inhibitory as well as motor nerves.
First, we note the failure of the vaso-motor nerves to maintain the proper tone of the blood-vessels, as in the turgid face and the congested cornea of the eye.
This, too, is beyond the control of the will, and is brought about by the vaso-motor nerves of the sympathetic system through a reflex arrangement, the center for which is the medulla oblongata.
Then the result of the mental emotion is to cause the vaso-motor nerves to exercise a more powerful control over the capillaries, thereby closing them, and thus shutting off the flow of blood.
The tone and caliber of the blood-vessels are controlled by certain vaso-motor nerves, which are distributed among the muscular fibers of the walls.
The following description is taken from his Lecons de Physiologie Operatoire:-- "I will remind you how I was led to the discovery of the vaso-motor nerves.
The ganglionic nervous excitement coincident with the maturation of the ovule and the congestion of the uterus, is easily communicated to the vaso-motor nerves of the latter organ.
Direct stimulation of the vaso-motor nerves, alone, as has been said, contracts the blood-vessels.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "motor nerves" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
