lumbar sympathetic trunk and ganglia Flashcards
1
Q
where does the lumbar sympathetic trunk lie?
A
in the retroperitoneal space on the lateral aspect of the lumbar vertebral bodies.
2
Q
how many lumbar ganglia?
A
usually 4
3
Q
what lumbar nerves have a white rammus communicans and what do they carry?
A
the first two and sometimes the third and they carry preganglionic axons into the sympathetic trunk.
4
Q
how many lumbar nerves have gray ramus communicans?
A
all 5 lumbar nerves
5
Q
where do splanchnic nerves of the lumbar carry preganglionic axons to and how many carry fibers there?
A
the carry fibers to the plexus surrounding the abdominal aorta and 2-4 nerves carry fibers there.
