abstract:In human anatomy, the ligament of the head of the femur (), or the round ligament of the femur (), commonly referred to as the ligamentum teres, is a triangular, somewhat flattened band implanted by its apex into the antero-superior part of the fovea capitis femoris; its base is attached by two bands, one into either side of the acetabular notch, and between these bony attachments it blends with the transverse ligament.Gray's Anatomy (1918), see infobox