Lumbar Region of Back: Cross Section Anatomy
Abdominal aorta, Inferior vena cava, Pancreas, Anterior longitudinal ligament, Crura of respiratory
diaphragm, Superior
mesenteric artery and vein, Mesentery, Duodenojejunal junction, Body of, L2 vertebra, Psoas major muscle and fascia, Lumbar spinal nerve, Transverse process, Spinal dura mater, Cauda equine, Spinous process of L1 vertebra,
Supraspinous ligament, Erector spinae and multifidus muscles, Thoracolumbar fascia
(posterior layer), Thoracolumbar fascia (middle layer), Thoracolumbar fascia (anterior layer quadratus
lumborum fascia), Descending (2nd) part of duodenum, Kidney,
Renal fascia (anterior and posterior layers), Perirenal fat, Pararenal fat, Peritoneum, Extraperitoneal (subserous)
fascia (areolar tissue), Transversalis fascia, External abdominal oblique muscle, Internal abdominal oblique muscle, Transversus abdominis muscle, Tendon of origin of transversus
abdominis and internal abdominal oblique muscles,
Serratus posterior inferior muscle, Latissimus dorsi muscle, Quadratus lumborum
muscle.