Unit 3- Pelvic Nerves And Vessels Flashcards
Sacral plexus is formed by:
Anterior rami of L4-S4
What forms the lumbosacral trunk?
Fibers from L4 joining L5
Where is the sacral plexus formed?
On the anterior surface of piriformis
Branches of the sacral plexus to the lower limb
Superior gluteal nerve
Inf gluteal nerve
Sciatic nerve
Nerve to quadratus femoris
Nerve to obturator internus
Post cutaneous nerve of the thigh
Perforating cutaneous nerve
Sacral and coccygeal plexus branches to the pelvis
Nerves to piriformis
Pudendal nerve
Pelvic splanchnic nerves
Sacral part of the parasympathetic system
Pelvic splanchnic nerves
Where do the pelvic splanchnic nerves arise from?
S2-S4
The pelvic splanchnic nerves are distributed to the:
Pelvic viscera
Where does the common iliac artery arise?
Where does it end?
At the bifurcation of aorta (L4)
Ends in front of the sacroiliac joint
The common iliac artery divides into:
External and internal iliac arteries
Where does the external iliac artery begin and end?
In front of the sacroiliac joint
Ends at the inguinal ligament
The external iliac art continues as the:
Femoral artery
Branches of the external iliac art
Inf epigastric art
Deep circumflex iliac art
The internal iliac art is a branch of the:
Common iliac art
The internal iliac art begins:
It enters:
It ends:
In front of the sacroiliac joint
Enters the pelvic cavity
Ends at the upper border os the greater sciatic foramen
