Landmarks of abdomen ·Pubic symphysis ·Pubic tubercle ·lliac crest ·Umbilicus Linea semilunaris1---9--5--13 Transpyloric plane L1 First layer-liver,gallbladder,stomach 1. Second layer-duodenum,pancreas,spleen Third layer-suprarenal gland,kidney,ureter,inferior vena cava,abdominal aorta,nerves and lymphatics Landmarks of abdomen • Pubic symphysis • Pubic tubercle • Iliac crest • Umbilicus • Linea semilunaris1---9--5--13 • Transpyloric plane L1 First layer－liver, gallbladder, stomach Second layer－duodenum, pancreas, spleen Third layer－suprarenal gland, kidney, ureter, inferior vena cava, abdominal aorta, nerves and lymphatics