Abdominal Nerves

Question 1

Vagus Nerve

Answer 1

Starts in the vagosympathetic trunk- then branches into dorsal and ventral branches. The dorsal branch gives off a celiac branch.

Vagus nerve carries both sensory/motor fibers to abdominal viscera.

Question 2

Splanchnic Nerve

Answer 2

Sympathetic Neurons. There are both Major and Minor splanchnic nerves. They go to the celiacomesenteric ganglia and plexus?

Question 3

Minor Splanchnic Nerve

Answer 3

Usually paired. Come out at the last thoracic/first lumbar. Carry sympathetic.

Supply: adrenal gland, ganglion, plexus

Question 4

Lumbar Splanchnic Nerve

Answer 4

Branch from L2-5

Lumbar sympathetic ganglia

Supply: aorticorenal, cranial mesenteric, caudal mesenteric ganglia and plexuses

Question 5

Celiac Ganglia

Answer 5

Found near the origin of celia A

Supply: go with the celia A, as a plexus, and supply upper abdominal area

Question 6

Cranial Mesenteric Ganglia

Answer 6

an extension of the vagus nerve.

group of sympathetic ganglia

continue as cranial mesenteric plexus

supply?: ascending, descending, transverse colon?

Question 7

Celiacomesenteric ganglion/plexus

Answer 7

Combo of celiac and cranial mesenteric ganglia

supply?: colon? abdominal viscera?

Question 8

Caudal Mesenteric Ganglion

Answer 8

Branch into the right and left hypogastric nerves, which course near the ureters and connect with pelvic plexus