
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 …
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 …
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, …
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.
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 …
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 …
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 …