Specializing in Canine and Feline Neurology and Neurosurgery for Over 30 Years

herniation

The protrusion of an organ or other structure through the outer covering of a membrane, muscle, or bone; for example, the protrusion of the center (nucleus pulposus) through the outer covering (annulus fibrosus) of an intervertebral disk; see intervertebral disk disease.

Related Words

annulus fibrosus ; intervertebral disk ; intervertebral disk disease ; nucleus pulposus