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. Introduction. The femoral artery is a continuation of the external iliac artery and constitutes the major blood supply to the lower limb. In the thigh, the femoral artery passes through the femoral triangle, a wedge-shaped depression formed by muscles in the upper thigh.