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Spinal disc protrusion visible in MRI [1] A disc protrusion is a medical condition that can occur in some vertebrates, including humans, in which the outermost layers of the anulus fibrosus of the intervertebral discs of the spine are intact but bulge when one or more of the discs are under pressure.
The femoral nerve stretch test can identify spinal nerve root compression, which is associated with disc protrusion and femoral nerve injury.It can reliably identify spinal nerve root compression for L2, L3, and L4. [2]
Disc herniation can occur in any disc in the spine, but the two most common forms are lumbar disc herniation and cervical disc herniation. The former is the most common, causing low back pain (lumbago) and often leg pain as well, in which case it is commonly referred to as sciatica .
There is a disc between each of the vertebrae in the spine. A healthy, well-hydrated disc will contain a great deal of water in its center, known as the nucleus pulposus, which provides cushioning and flexibility for the spine. Much of the mechanical stress that is caused by everyday movements is transferred to the discs within the spine and ...
Foot processes vs. lamellipodia and filopodia [ edit ] The difference between foot processes, and lamellipodia , which are broad sheet-like protrusions, and filopodia , which are long slender pointed extensions, is that lamellipodia and filopodia are especially significant for cell movement and migration , and they are "macro" membrane protrusions.
Japanese automakers Honda and Nissan will attempt to merge and create the world’s third-largest automaker by sales as the industry undergoes dramatic changes in its transition away from fossil ...
"Gilmore Girls" premiered 24 years ago and launched many of its leading cast members to fame. Stars Lauren Graham, Alexis Bledel, and Melissa McCarthy all went on to successful acting careers ...
A tribotester is the general name given to a machine or device used to perform tests and simulations of wear, friction and lubrication which are the subject of the study of tribology. [ citation needed ] Often tribotesters are extremely specific in their function and are fabricated by manufacturers who desire to test and analyze the long-term ...