intervertebral disk

intervertebral disk n. A broad disk of fibrocartilage situated between adjacent vertebrae of the spinal column.

intervertebral disk profile of lumbar intervertebral disks

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intervertebral disk  (ntr-vûrt-brl)

A broad disk of cartilage that separates adjacent vertebrae of the spine and acts as a shock absorber during movement.

Thesaurus

Noun

1.

intervertebral disk - a fibrocartilaginous disc serving as a cushion between all of the vertebrae of the spinal column (except between the first two) intervertebral disc spinal column, spine, vertebral column, rachis, backbone, back - the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back" disk, saucer, disc - something with a round shape resembling a flat circular plate; "the moon's disk hung in a cloudless sky"