Chordates are animals with backbones. Animal groups in the chordate phylum include fish, amphibians, reptiles, birds and mammals. Animals with backbones are the most highly evolved groups of animals, the most complex and complicated.
Femoral triangle. The femoral triangle (or Scarpa's triangle) is an anatomical region of the upper inner thigh. It is a subfascial space which appears as a triangular depression inferior to the inguinal ligament when the thigh is flexed, abducted and laterally rotated. Contents.
Femoral Artery Anatomy. The external iliac artery supplies blood to the femoral artery. This artery lies within the femoral triangle, behind the inguinal ligament, usually near the head of the femur bone. This region is known as the inguinal-femoral area.