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noun, Pathology.
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.

herniated disk n.
The protrusion of a degenerated or fragmented intervertebral disk into the intervertebral foramen, compressing the nerve root. Also called protruded disk, ruptured disk.


Read Also:

  • Herniation

    [hur-nee-eyt] /ˈhɜr niˌeɪt/ verb (used without object), herniated, herniating. 1. to protrude abnormally from an enclosed cavity or from the body so as to constitute a . n. 1875, from hernia + -ation. herniate her·ni·ate (hûr’nē-āt’) v. her·ni·at·ed, her·ni·at·ing, her·ni·ates To protrude through an abnormal bodily opening. her’ni·a’tion n.

  • Hernio-

    1. a combining form representing hernia, in compound words: herniotomy. hernio- pref. Hernia: herniology.

  • Hernioid

    hernioid her·ni·oid (hûr’nē-oid’) adj. Resembling a hernia.

  • Hernioplasty

    [hur-nee-uh-plas-tee] /ˈhɜr ni əˌplæs ti/ noun, plural hernioplasties. Surgery. 1. an operation for the repair of a hernia. hernioplasty her·ni·o·plas·ty (hûr’nē-ə-plās’tē) n. Surgical correction of a hernia.

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