PREGANGLIONIC NEURON AXONS LEAVE THE SPINAL CORD VIA THE VENTRA ROOT, ENTER THE

Question

PREGANGLIONIC NEURON AXONS LEAVE THE SPINAL CORD VIA THE VENTRA ROOT, ENTER THE SPINAL NERVE THEN PASS THROUGH A SMALL BRANCH CALLED THE WHITE RAMUS COMMUNICANS TO ENTER THE AFTER EXITING THE WHITE RAMUS COMMUNUICANS THE PREGANGLIONIC AXO HAS TWO COURSES THAT IT MAY TAKE, BOTH OF WHICH WILL THEN SEND THE AXON THROUGH THE A THIRD COURSE FOR THE PREGANGLIONIC AXON DOES NOT TAKE IT THROUG THE GRAY RAMUS COMMUNICANS, IT MAY PASS THROUGH THE GANGLION WITHOUT SYNAPSING AND FORM PART OF THE SPLANCHNIC NERVES, TRAVEL TO THE VISCERA TO SYNAPSE WITHA GANGLIONIC NEURON IN A EITHER) NAME ONE OF THE MAJOR COLLATERAL GANGLIA OR GANGLION (GIVE WHAT DO THE MAJOR COLLATERAL GANGLIA SERVE? WHAT STRUCTURES ARE ONLY SERVED BY THE SYMPATHETIC NERVOUS SYSTEM AND NOT THE PARASYMPATHETIC

Explanation / Answer

1 Preganglionic fiibers enter sympathetic trunkthrough white ramus

2.Preganglionic fiibers send their axon through gray ramus communicans

3.Outlying sympathetic ganglion

4. synapse with superior mesenteric ganglia, or in the aorticorenal ganglion

5.inferior mesenteric ganglia

6.pelvic visceral organs

7.arrector pili muscles

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