2018年8月8日 · Sacral promontory indicates portion of the margin of the pelvic inlet and is the extended part of sacrum. The sacral promontory joins at an angle which is approximately 30 degrees and is called…

The sacral promontory articulates with the last lumbar vertebra to form the sacrovertebral angle, an angle of 30 degrees from the horizontal plane that provides a useful marker for a sling implant procedure.

2021年12月27日 · 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 vertebral column or spine.

2023年10月30日 · Sacral canal. The triangular sacral canal is formed by the sacral vertebral foramina, and descends from the opening on the basal surface to the sacral hiatus. Since the spinal cord finishes at around L2 the canal does not carry the spinal cord.

2023年12月12日 · Anteriorly, there is an anterior bony projection known as the sacral promontory, marking the posterior margin of the pelvic inlet and continuous with the margin of the sacral ala. The front sides of the four pairs of sacral foramina are found on this surface.

2024年9月2日 · The sacrum contributes to the sexual dimorphism of the pelvis. Firstly, the sacral promontory is less prominent in females than in males. This results in an oval-shaped pelvic inlet in females and a heart-shaped pelvic inlet in males.

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 S1. As the sacrum develops, costal elements form the parts superior, lateral and inferior to the anterior sacral foramina.

The promontory (sacral promontory) is the prominent anterosuperior edge found on the body of the first sacral vertebra. It is located 1 cm posterior to the body’s center of gravity. The promontory and linea terminalis combine to form the pelvic inlet, which is the distinct bony ridge that separates the greater pelvis from the lesser pelvis.