- noncontained disk
- herniation of intervertebral disk (see under herniation) in which there is rupture of the anulus fibrosus. Cf. contained d.
Medical dictionary. 2011.
Medical dictionary. 2011.
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
contained disk — herniation of intervertebral disk (see under herniation) in which the anulus fibrosus remains intact. Cf. noncontained d … Medical dictionary
Herniation — Abnormal protrusion of tissue through an opening. For example, a intervertebral disk (one situated between the vertebral bodies) can protrude and impinge on a nerve root. * * * Protrusion of an anatomic structure ( e.g., intervertebral disk) from … Medical dictionary