- May 2, 2026The intertrochanteric fossa is the depression on the posterior surface of the femoral neck between the greater and lesser trochanters,…
- May 2, 2026The blood supply of the femoral head depends critically on the medial femoral circumflex artery (MFCA) posterior retinacular vessels, which…
- May 2, 2026The anterior inferior iliac spine (AIIS) is the bony projection of the iliac wing immediately below the anterior superior iliac…
- May 2, 2026The posterior iliac crest is the posterior portion of the iliac crest from the posterior superior iliac spine (PSIS) to…
- May 2, 2026The calcar femorale (Merkel spur) is the dense vertical plate of cortical bone within the proximal femur at the posteromedial…
- May 2, 2026The sacral hiatus is the caudal opening of the sacral canal, formed by the failure of fusion of the S4…
- May 2, 2026The sacral ala (wings of the sacrum) are the lateral masses of the sacrum formed by the fused transverse processes…
- May 2, 2026The intertrochanteric line is a rough bony ridge on the anterior surface of the proximal femur running from the greater…
- May 2, 2026The intertrochanteric crest is the posterior counterpart of the intertrochanteric line, a smooth rounded ridge on the posterior surface of…
- May 2, 2026The pubic tubercle is a small rounded eminence at the anterosuperior aspect of the pubic crest on each side, located…