Nerves Of The Pelvis Flashcards
What spinal segments make up the inferior gluteal n?
L5, S1, S2
What spinal segments does the nerve to Quadratus femoris?
L4, L5, S1
What spinal segments make up the nerve to obturator internus?
L5,S1,S2
What spinal segments does the nerve to the piriformis carry?
S1, S2.
What spinal segments make up the posterior femoral cutaneous n?
S1, S2
What segments give rise to the pudendal n?
S2,S3,S4
Where does the dorsal n of the penis or clitoris branch off from?
Pudendal N.
What is the parasympathetic components in the pelvis and perineum?
Pelvic splanchnic Ns
Where is the cell body for the Sympatheitc NS?
Lateral horn of the spinal cord
What spinal segments make up the superior gluteal n?
L4, L5, S1
How do sympatheitcs get to the inferior hypogastric plexus?
Via sacral splanchnic nerves from the sacral sympathetic trunk.
How do sympatheitcs get to the sacral spinal nerves?
Rami communicantes
How do parasympathetics get to the inferior hypogastric plexus?
Pelvic splanchnic Ns.
What are the two specific nerves that supply sympathetic innvervation to the inferior hypogastric plexus?
- Hypogastric N.
- Sacral Splanchnic N.
What part of the uterovaginal plexus only receives parasympathetics?
Vestibular gland and erectile tissue via the cavernous Ns.
