Unit 3 - Thorax, Abdomen, Pelvis, and Perineum: Peripheral SYMPATHETIC Nervous System (Ex. III)

Question 1

ganglion cells

Answer 1

sympathetic trunk

Question 2

course of postganglionic fibers and targets

Answer 2

• follow intercostal nn. ==> BVs and glands in chest wall
• accompany intrathoracic aa. ==> visceral effectors
• gather in greater and lesser splanchnic nn. ==> abdomen

Question 3

Where do axons of preganglionic neurons exit the spinal cord?

Answer 3

A roots

Question 4

Where do axons of preganglionic neurons synapse?

Answer 4

w/ postganglionic neurons in sympathetic chain ganglia once they exit the spinal cord via the A roots

Question 5

origin of preganglionic fibers

Answer 5

spinal cord