Lab 5 Flashcards
Where does the lumbosacral trunk come from?
L4-L5
What does the lumbosacral trunk connect?
Lumbar plexus with the sacral plexus
-It descend the pelvis to join the 1st sacral nerve
Where does the Lateral cutaneous nerve of the thigh (Lateral femoral cutaneous nerve) come from?
L2-L3 (Lumbar plexus)
What does the lateral femoral cutaneous nerve innervate?
Skin over lateral and anterior thigh and lateral part of the thigh
Where does the Obturator nerve come from?
L2, L3, L4
Where does the Accessory Obturator come from?
L3, L4
Where does the Femoral nerve come from?
L2, L3, L4
Where does the genitofemoral nerve come from?
L1, L2
Where does the iliohypogastric nerve come from?
L1
Where does the ilioinguinal nerve come from?
L1
What does the ilioinguinal nerve innervate?
- Skin and upper medial part of thigh
- Skin over the root of the penis and upper part of the scrotum (male)
- Skin covering mons pubis and labium majus (female)
Where does the ilioinguinal nerve run?
Above spermatic fascia/spermatic cord (NOT within cord)
Where does the genital branch of the genito-femoral nerve run?
Within the spermatic cord/fascia.
It runs alongside the Ductus (vas) deferens
What does the iliohypogastric nerve innervate?
- Skin over lateral gluteal region and above pubis
- Internal and transverse abdominal muscles
Where does the subcostal nerve run? Where does it originate?
Runs along the lower boarder of 12th rib.
T12