- 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 iliac crest is the curved superior border of the ilium, extending from the anterior superior iliac spine (ASIS) anteriorly…
- May 2, 2026The lesser sciatic notch is a smaller notch below the ischial spine on the posterior border of the ischium, between…
- May 2, 2026The obturator foramen is the largest foramen in the skeleton, formed by the ischium posteriorly and the pubis anteriorly and…
- May 2, 2026The sacral promontory is the anterior projecting edge of the superior surface of the first sacral vertebra at the L5-S1…
- May 2, 2026The iliopectineal eminence (iliopubic eminence) is a rounded bony prominence at the junction of the ilium and the superior pubic…
- May 2, 2026The greater sciatic notch is a deep concavity on the posterior border of the ilium and ischium, converted into the…
- May 2, 2026The sacrum has paired anterior (pelvic) and posterior sacral foramina at four levels (S1-S4). The anterior sacral foramina transmit the…
- May 2, 2026The trochanteric fossa is a deep pit on the medial surface of the greater trochanter, at the posterior junction of…
- May 2, 2026The femoral head is the spherical proximal end of the femur that articulates with the acetabulum to form the hip…