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.
NOTE: the congenital gaps and weak areas of the inguinal canal are somewhat larger in males, making Inguinal Hernias more common in men. The findings of an acutely painful lump or bulge on the leg crease, adjacent to the pubic region (especially in females) suggests a diagnosis of a Femoral Hernia.