Definitions:

1. A mixed nerve, which carries motor, sensory, and autonomic signals between the spinal cord and the body. NOUN
   • Stimulating the sacral nerve is a treatment for certain forms of incontinence.
2. Five pairs of spinal nerves that exit through opening in the sacrum and from part of the peripheral nervous system. NOUN
   • The sacral nerve roots are key components of the pelvic plexus.
3. One of the spinal nerves that emerge from the sacral region of the spinal cord, located in the lower back, essential for controlling movement and sensation in the pelvis, legs, bladder, bowels, and genitals. NOUN
   • Injury to the sacral nerve can lead to loss of bladder control.