Posterior (dorsal) sacral foramen

Definition

The posterior (dorsal) sacral foramen are openings located on the back side of the sacrum, which allow for the passage of nerves and blood vessels. They are part of the vertebral column and play a crucial role in connecting the neural and circulatory systems to the lower part of the body.

Related terms

Sacrum: The large, triangular bone at the base of the spine that is formed by the fusion of five vertebrae, providing a sturdy foundation for pelvic girdle attachment.

Spinal Nerves: Nerves that emerge from the spinal cord through spaces between vertebrae, carrying motor, sensory, and autonomic signals between the spinal cord and the body.

Vertebral Column: The flexible yet strong column formed by a series of individual bones called vertebrae; it supports the body's weight and protects the spinal cord