Galvanism applied to a spinal nerve, determines, it has been said, dilatation of blood-vessels, and increased secretion in glands.
If excessive action of the brain or spinal cord be analogous in its effects to galvanism of a spinal nerve, it might be supposed to cause vaso-motor paralysis and hæmorrhage.
Schiff has shown that galvanization of a cerebro-spinal nerve causes a dilatation of the blood-vessels in the vicinity, as if the vaso-motor force were overpowered by the excessive stimulation of the controlling nerves.
Experiment proves that if both roots of a spinal nerve be cut, all those parts of the body to which they send branches become paralyzed, and have neither sense of pain nor power of voluntary movement.
With reference to the sixth and seventh nerves he states "we must regard the sixth nerve as having the same relation to the seventh that the anterior root of a spinal nerve has to the posterior root.
The primitive undifferentiated rudiment soon becomes divided, exactly like a true posterior root of a spinal nerve, into a root, a ganglion and a nerve.
Illustration: Spinal Nerve, Sympathetic Cord, and the Network of Sympathetic Nerves around the Internal Organs.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "spinal nerve" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
