Sympathetic - Thoracic Sympathetic Trunk And Ganglia Flashcards
How many thoracic ganglia?
Usually 11, sometimes 12
Do the thoracic nerves have white ramus communicans?
All 12 thoracic nerves have a GRAY ramus communicans AND a WHITE ramus communicans
In the superior thorax, ganglia are located ________________
In the lower part of the thorax ganglia are located _______________
Anterior to the rib heads.
On the lateral aspects of the vertebral bodies.
Branches from the upper 5 thoracic ganglia travel medically and supply _____________**
Structures in the thoracic cavity.
**They carry postganglionic fibers and visceral afferents.
How many splanchnic nerves are associated with the lower 7 segments of the thoracic sympathetic trunk?
3
3 splanchnic nerves are associated with the lower 7 segments of the thoracic sympathetic trunk.
They carry pregang fibers to plexuses in _______________ cavities.
They also carry ___________ information.
Abdominal and pelvic cavities
Visceral afferent information
3 splanchnic nerves are associated with the lower 7 segments of the thoracic sympathetic trunk.
They greater splanchnic nerve is formed from the _______________.
It terminates in the ____________.
5th through 9th ganglia.
Celiac ganglion.
Greater splanchnic = T5 - T9 or 10
3 splanchnic nerves are associated with the lower 7 segments of the thoracic sympathetic trunk.
The lesser splanchnic nerve is formed by fibers from the ________ ganglia.
It ends in the _____________.
9th and 10th OR 10th and 11th ganglia.
Aorticorenal ganglion.
Lesser splanchnic = T9 or T10 - T11
3 splanchnic nerves are associated with the lower 7 segments of the thoracic sympathetic trunk.
The least splanchnic nerve is formed by fibers from the ________ and terminates in the ___________
12th ganglion
Renal plexus
