5. Nerves of the esophagus

Question 1

Identify 1 → 3

Answer 1

1. 3rd intercostal nerve
2. 3rd thoracic ganglion
3. Sympathetic trunk

Question 2

Identify 4 → 5

Answer 2

4. Greater thoracic splanchnic nerve
5. Celiac plexus and ganglia

Question 3

Identify 6 → 7

Answer 3

6. Anterior vagal trunk
7. Left greater thoracic splanchnic nerve

Question 4

Identify 8 → 9

Answer 4

8. Cardiac plexus
9. Left recurrent laryngeal nerve

Question 5

Identify 10 → 11

Answer 5

10. Cervical sympathetic trunk
11. Vagus nerve (CN X)

Question 6

Nerves of the esophagus and posterior thoracic wall include ___ and ___

Answer 6

1. somatic nerves (thoracic intercostal nerves)
2. autonomic nerves.

Question 7

The thoracic spinal cord segments give rise to (1)___, which are connected by rami communicantes to the (2)___.

→ In the thorax, the latter gives rise to (3)____, (4)__, and (5)___ (6)___ nerves (all preganglionic sympathetics), which course through the (7)___ to the abdomen.

Answer 7

1. intercostal nerves
2. sympathetic trunk
3. the greater
4. lesser
5. least
6. splanchnic
7. diaphragm

Question 8

The parasympathetic contributions to posterior thorax are via the (1)___.

→ As they pass through the diaphragm, (2)___ (2 nerves) form a plexus on the (3)___.

→ (4)___ and (5)___ fibers contribute to a rich (6)___ of nerves.

Answer 8

1. vagus nerve
2. the left and right vagus nerves
3. esophagus
4. Sympathetic
5. parasympathetic
6. cardiac plexus