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The cauda equina (from Latin tail of horse) is a bundle of spinal nerves and spinal nerve rootlets, consisting of the second through fifth lumbar nerve pairs, the first through fifth sacral nerve pairs, and the coccygeal nerve, all of which arise from the lumbar enlargement and the conus medullaris of the spinal cord.
Cauda equina syndrome (CES) is a condition that occurs when the bundle of nerves below the end of the spinal cord known as the cauda equina is damaged. [2] Signs and symptoms include low back pain, pain that radiates down the leg, numbness around the anus, and loss of bowel or bladder control. [1] Onset may be rapid or gradual. [1]
Degenerative lumbosacral stenosis (DLSS), also known as cauda equina syndrome, is a pathologic degeneration in the lumbosacral disk in dogs; affecting the articulation, nerve progression, tissue and joint connections of the disk.
The cauda equina ("horse's tail") is a collection of nerves inferior to the conus medullaris that continue to travel through the vertebral column to the coccyx. The cauda equina forms because the spinal cord stops growing in length at about age four, even though the vertebral column continues to lengthen until adulthood.
Nerves continue down the spine below this, but in a loose bundle of nerve fibers called the cauda equina. There is lower risk with inserting a needle into the spine at the level of the cauda equina because these loose fibers move out of the way of the needle without being damaged. [27] The lumbar cistern extends into the sacrum up to the S2 ...
Saddle anesthesia is a loss of sensation restricted to the area of the buttocks, perineum and inner surfaces of the thighs.. Asymmetric saddle anesthesia is frequently associated with the spine-related injury cauda equina syndrome. [1]
Pediatric patients may have a syrinx associated with their Chiari malformation and the conus medullaris will be located at or below the L2–L3 lumbar vertebrae disk space. [5] Isolated infarcts of the conus medullaris are rare, but should be considered in patients with acute cauda equina syndrome, especially in females.
Tabes dorsalis is a late consequence of neurosyphilis, characterized by the slow degeneration (specifically, demyelination) of the neural tracts primarily in the dorsal root ganglia of the spinal cord (nerve root).