2023年10月11日 · The sides of the sacrum connect to the right and left hip (iliac) bones. The attachment point is called the auricular surface. Just behind the auricular surface is a rough …

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 …

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 …

2021年12月27日 · Both sides of the base bear a large wing-like projection known as an ala of sacrum or sacral ala. These alae articulate with the ilium bones of the pelvis, forming sacroiliac …

2023年10月30日 · The sacrum is an irregularly shaped bone, made up of a group of five fused vertebrae in the area of what is commonly known as the base of the spine. Regarded as the …

The sacral promontory serves as an important anatomical landmark, particularly in medical procedures. The sacral foramina allow for the passage of nerves and blood vessels, …

2025年3月29日 · The sacrum serves several important functions in the skeletal, muscular, nervous, and female reproductive systems. Acting as the keystone of the pelvis, the sacrum …

The sacroiliac joints (SIJs), the largest axial joints in the body, sit in between the sacrum and pelvic bones on either side. They connect the spine to the pelvis and thus facilitate load …

2025年1月18日 · The sacral foramina: These are small openings on either side of the sacrum that allow the passage of nerves and blood vessels. The sacral cornua: These are small, bony …

2024年11月1日 · The sacrum consists of five fused sacral vertebral and costal segments (S1-S5) that form a central sacral body and paired sacral alae (singular ala), which arise laterally from …