Sacral promontory

Definition

The sacral promontory is the anterior edge of the first sacral vertebra, protruding forward into the pelvic cavity. It marks the boundary between the abdominal and pelvic cavities.

Related terms

Vertebral Column:

The vertebral column is a series of vertebrae extending from the skull to the tailbone, providing support and protection for the spinal cord.

Pelvic Cavity: The pelvic cavity is the lower part of the ventral body cavity, housing organs such as the bladder, reproductive organs, and rectum.

Lumbar Vertebrae:

Lumbar vertebrae are five vertebrae located between the thoracic vertebrae and sacral region that support much of the body's weight and are involved in movement