post.abdominal wall(Li).ppt

1、Posterior Abdominal Wall Prof. Li Feng,1. Position of posterior abdominal wall,2. Fascia of post. abdominal wall Thoracolumbar fascia: three layers,2. Muscles of post. abdominal wall Psoas major Quadratus lumborum Iliacus,3. Nerves of post. abdominal wall Somatic n. supply skeletal muscles and skin

2、Autonomic n. (sympathetic n. and parasympathetic n.) supply viscera,(1) Somatic n. Obturator n. Femoral n. Iliohypogastric n. Ilioinguinal n. Genitofemoral n. Lat. femoral cutanneous n.,Origination of somatic n.: Spinal cord Ant. roots (movement) and ant. ramus (mixed) Post. roots (sensation) and po

3、st. ramus (mixed),(2) Autonomic nerves Sympathetic n. Parasympathetic n. Origination of autonomic n.: Spinal cord and brain stem,Sympathetic nerve: Paravertebral ganglia (sympathetic trunk) Prevertebral ganglia Celiac ganglion Aorticorenal ganglion Sup. mesenteric ganglion Inf. mesenteric ganglion,F

4、ormation of sympathetic nerves: presynaptic sympathetic fibers postsynaptic sympathetic fibers,Sympathetic nerves in the abdomen Greater splanchnic nerve Lesser splanchnic nerve Least splanchnic nerve Lumber splanchnic nerve,Parasympathetic nerves in the abdomen Vagus nerve Pelvic splanchnic nerve,A

5、bdominal autonomic plexuses Formation: sympathetic fibers parasympathetic fibers Position: surrounding abdominal aorta and its major branches,4. Vasculature of post. abdominal wall Arteries of post. abdominal wall Paired visceral branches Unpaired visceral branches Paired parietal branches Unpaired

6、parietal branches,Paired visceral branches suprarenal arteries renal arteries ovarian or testicular a. Unpaired visceral branches celiac trunk sup. mesenteric a. inf. mesenteric a.,Paired parietal branches inf. phrenic arteries lumber arteries Unpaired parietal branch median sacral artery,(2) Veins of post. abdominal wall Tributaries of inf. vena cava: visceral branches: right testicular or ovarian v. right suprarenal v. renal v. hepatic v.,Tributaries of inf. ven