Flashcards in Posterior Abdominal Wall Deck (7)
What are the paired visceral branches of the abdominal aorta?
Suprarenal, renal, and gonadal arteries
What are the unpaired visceral branches of the abdominal aorta?
Celiac trunk, superior mesenteric artery, and inferior mesenteric artery
What is the unpaired parietal branch of the abdominal aorta?
Median sacral artery
Origin: transverse processes of lumbar vertebrae and sides of vertebral bodies T12-S1 and intervening discs
Insertion: lesser trochanter of the femur
Innervation: lumbar plexus via anterior branches of L2-L4 nerves
Action: flex thigh, laterally flex vertebral column, and flex trunk when sitting
Origin: superior 2/3 of the iliac fossa, ala of sacrum, and sacroiliac ligament
Insertion: lesser trochanter of the femur, shaft inferior to it, and psoas major tendon
Innervation: femoral nerve (L2-L4)
Action: flex thigh and stabilize hip joint
Origin: tips of transverse processes and medial half of inferior border of 12th rib
Insertion: iliolumbar ligament and internal lip of the iliac crest
Innervation: anterior branches of L1-L4 and T12
Action: extend and laterally flex the vertebral column and fixes 12th rib during inspiration