What is "preganglionic"

Usage examples of "preganglionic".

These two sets of visceral fibers, the preganglionic and the postganglionic, taken together with the ganglia themselves, make up that portion of the nervous system which is autonomous or, not under the control of the will.

In some cases, the ganglia separating the preganglionic fibers from the postganglionic fibers are actually located within the organ the nerve is servicing.

In that case, the preganglionic fiber runs almost the full length of the total track, whereas the postganglionic fiber is at most just a few millimeters long.

This is true also of all the preganglionic nerve endings in the autonomic nervous system, but there is a deviation from this norm in connection with the postganglionic nerve endings.

These two sets of visceral fibers, the preganglionic and the postganglionic, taken together with the ganglia themselves, make up that portion of the nervous system which is autonomous — or, not under the control of the will.

G), which originate from some of the thoracic nerves, have their preganglionic fibers ending in a mass of ganglia (a "plexus") lying j'ust behind the stomach.

The preganglionic fibers of the sympathetic division end at the sympathetic trunks or at the prevertebral ganglia, so these fibers are quite short.

In that case, the preganglionic fiber runs almost the full length of the total track, whereas the postganglionic fiber is at most just a few millimeters long.