thoracic sympathetic trunk

Question 1

how many ganglia in the thoracic sympathetic trunk?

Answer 1

usually 11 sometimes 12

Question 2

how many thoracic nerves have gray and white ramus comunicans?

Answer 2

all 12

Question 3

where is the thoracic sympathetic trunk located in the upper thorax?

Answer 3

ganglia located anterior to the head of the ribs.

Question 4

where is the thoracic sympathetic trunk located in the lower thorax?

Answer 4

ganglia located on the lateral aspect of the vertebral bodies.

Question 5

where do the upper five thoracic ganglia travel to and supply?

Answer 5

they travel medially and supply the structures in the thoracic cavity.

Question 6

what do the upper five thoracic ganglia carry?

Answer 6

they carry postganglionic and visceral afferents.

Question 7

how many splanchnic nerves are associated with the lower 7 segments?

Answer 7

3

Question 8

what are the three splanchnic nerves of the lower 7 thoracic segments and what do they carry?

Answer 8

the greater splanchnic, lesser splanchnic, and the least slplanchnic nerves. they carry postganglionic in the pelvic and abdominal cavity. they also carry visceral afferents.

Question 9

what forms the greater splanchnic nerve and where does it terminate?

Answer 9

formed by the 5-9 ganglia and terminates in the celiac ganglion.

Question 10

what forms the lesser splanchnic nerve and where does it terminate?

Answer 10

formed by the 9-10 or 11 ganglia and terminates in the aorticorenal ganglion.

Question 11

what forms the least splanchnic nerve and where does it terminate?

Answer 11

formed by fibers from the 12th ganglion and terminates in the renal plexus.