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  1. Sacrum - Wikipedia

    It forms joints with four other bones. The two projections at the sides of the sacrum are called the alae (wings), and articulate with the ilium at the L-shaped sacroiliac joints. The upper part of the sacrum …

  2. Sacrum (Sacral Region) - Spine-health

    The sacral region (sacrum) is at the bottom of the spine and lies between the fifth segment of the lumbar spine (L5) and the coccyx (tailbone). The sacrum is a triangular-shaped bone and consists of five …

  3. Sacrum: Anatomy, Function, and Associated Conditions

    Oct 23, 2025 · What Does the Sacrum Do? The sacrum is a single bone made from five fused vertebrae that connects the spine to the pelvis. It supports the body's core, especially when sitting or standing, …

  4. SACRAL Definition & Meaning - Merriam-Webster

    The meaning of SACRAL is of, relating to, or lying near the sacrum. How to use sacral in a sentence.

  5. Sacrum Anatomy: Structure, Surfaces, Muscles, and Clinical ...

    Nov 6, 2025 · 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 skeleton to …

  6. Sacral region: Anatomy and location | Kenhub

    Mar 20, 2024 · It is situated just above the buttocks and at the base of the spine inferior to the vertebral region. Specifically, the sacral region comprises a triangular area that overlies the sacrum which …

  7. Sacrum - Anatomy, Location, Functions, & Labeled Diagram

    Dec 27, 2021 · The sacrum is a large, flat, triangular-shaped, irregular bone, alternatively known as the sacral vertebra or sacral spine. It comprises five fused vertebrae (S1-S5), located at the base of the …