Cauda equina

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Cauda Equina

Cauda equina (/ˈkɔːdə iːˈkwaɪnə/; from Latin: 'horse's tail') is a bundle of spinal nerves and spinal nerve rootlets that originate in the lumbosacral spine and continue through the lumbar region.

Etymology

The term "cauda equina" is derived from Latin, meaning "horse's tail". This name is given due to the resemblance of the lower end of the spinal cord or filum terminale to a horse's tail.

Anatomy

The cauda equina is formed by the continuation of the spinal cord beyond the first lumbar vertebra. It consists of nerve roots L2 through S5, the coccygeal nerve, and the filum terminale. These nerves supply the lower limbs, bladder, and bowel.

Clinical significance

Damage to the cauda equina can result in Cauda equina syndrome, a serious condition that requires immediate medical attention. Symptoms can include lower back pain, numbness in the lower body, and loss of bladder or bowel control.

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