The sacrum (pl.: sacra or sacrums[1]), in human anatomy, is a triangular bone at the base of the spine that forms by the fusing of the sacral vertebrae (S1–S5) between ages 18 and 30.

Oct 23, 2025 · The sacrum is a single bone comprised of five separate vertebrae. It is shaped like an upside-down triangle and sits at the bottom of the spinal column, connecting it to the pelvis.

2 days ago · The sacrum is a large, triangular bone at the terminal end of the vertebral column. It forms the posterior wall of the pelvis and plays a key role in weight transmission from the axial …

The sacrum is a triangular-shaped bone that forms the foundation of the spine, connecting it to the pelvis. The sacral vertebrae, sacral hiatus, and sacral foramina are essential anatomical …

The sacrum is a triangular bone located at the base of the spine, which plays a crucial role in providing stability and support to the pelvis.

The sacrum is a large bone located at the terminal part of the vertebral canal, where it forms the posterior aspect of the pelvis. It is remarkably thick, which aids in supporting and transmitting …

Nov 25, 2024 · Let’s start with a quick anatomy lesson: According to Russell DeMicco, D.O., the associate director of the Cleveland Clinic Center for Spine Health in Ohio, “the sacrum is a …