• synonyms

herniated disk

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.


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Nearby words

hernia, hernial, hernial sac, herniate, herniated, herniated disk, herniation, hernio-, hernioid, hernioplasty, herniorrhaphy
Also called ruptured disk, slipped disk. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for herniated disk

herniated disk


The protrusion of a degenerated or fragmented intervertebral disk into the intervertebral foramen, compressing the nerve root.protruded disk ruptured disk
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.