- an abnormal protrusion of a spinal disk between vertebrae, most often in the lumbar region of the spine, causing pain due to pressure on spinal nerves. Also called ruptured disk, slipped disk.
* * *also called protruded disk or slipped diskdisplacement of part of the rubbery centre, or nucleus, of a cartilaginous disk from between the vertebrae so that it presses against the spinal cord. Pain occurs in the arms if the protrusion occurs at the level of the neck (between the fifth and sixth or sixth and seventh cervical vertebrae) or in the lower back and legs if the protrusion occurs low in the backbone (usually between the fourth and fifth lumbar vertebrae or between the fifth lumbar and first sacral vertebrae). Treatment, depending on the severity of the condition, may include bed rest, analgesic medication (e.g., aspirin), traction, orthopedic support, and physical therapy or surgical removal of the protruded portion of the disk and fusion of the spinal vertebrae at the point affected.
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herniated disk — her′niated disk′ n. pat an abnormal protrusion of a spinal disk between vertebrae Also called slipped disk … From formal English to slang
herniated disk — Pathol. an abnormal protrusion of a spinal disk between vertebrae, most often in the lumbar region of the spine, causing pain due to pressure on spinal nerves. Also called ruptured disk, slipped disk … Useful english dictionary
herniated disk — herniation of intervertebral disk … Medical dictionary
disk herniation — herniation of intervertebral disk protrusion of the nucleus pulposus or anulus fibrosus of an intervertebral disk, which may impinge on nerve roots; this occurs most often in lumbar vertebrae, and sometimes in cervical vertebrae. The herniated… … Medical dictionary
disk — 1. A round, flat plate; any approximately flat circular structure. 2. SYN: lamella (2). 3. In dentistry, a circular piece of thin paper or other material, coated with an abrasive substance, used for cutting and polishing tee … Medical dictionary
slipped disk — slipped′ disk′ n. pat herniated disk • Etymology: 1940–45 … From formal English to slang
ruptured disk. — See herniated disk. * * * … Universalium
slipped disk. — See herniated disk. [1940 45] * * * … Universalium
ruptured disk. — See herniated disk … Useful english dictionary
slipped disk. — See herniated disk. [1940 45] … Useful english dictionary