9.1 Abdominopelvic Autonomics and Pain – Spinal Levels of Pain Afferents for the Various Organs of the Abdomen

Question 1

Through which spinal nerves do the ascending colon and cecum, transverse colon, and descending colon send their pain sensing afferents?

Answer 1

Ascending colon and cecum – T10.

Transverse colon – T11.

Descending colon – T12-L1

Question 2

Through which spinal nerves does the latter part of the sigmoid colon send its pain sensing afferents?

Answer 2

S2-S4.

Question 3

Through which spinal nerves do the jejunum and ileum send their pain sensing afferents?

Answer 3

T8-T10

Question 4

Through which spinal nerves does the first part of the duodenum said its pain sensing afferents?

Answer 4

T6-T9

Question 5

Through which spinal nerves do the suprarenal glands send their pain sensing afferents?

Answer 5

T6-L2

Question 6

Through which spinal nerves do the kidneys send their pain sensing afferents?

Answer 6

T10-L1

Question 7

Through which spinal nerves does the second and third part of the duodenum send its pain sensing afferents?

Answer 7

T8-T10

Question 8

Through which spinal nerves does the stomach send its pain sensing afferents?

Answer 8

T6-T9

Question 9

Through which spinal nerves does the liver send its pain sensing afferents?

Answer 9

T6 to T9

Question 10

Through which spinal nerves does the spleen send its pain sensing afferents?

Answer 10

T6-T8

Question 11

Through which spinal nerve does the proximal part of the sigmoid colon send its pain sensing afferents?

Answer 11

L2