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.
15-5), which contains the femoral nerve and vessels, is situated in the upper third of the anterior thigh. It is bounded laterally by the medial border of the sartorius, medially by the medial (Continental authors use lateral) border of the adductor longus, and by the inguinal ligament on the superior side.