Herniated discs are often referred to as "slipped discs". This term derived from the action of the nucleus tissue when it is forced from the center of the disc. The disc itself does not slip. However, the nucleus tissues located in the center of the disc can be placed under so much pressure that it can cause the annulus to herniated or rupture against one or more of the spinal nerves which can cause pain, numbness, or weakness in the low back. leg or foot.

Other names used for herniated discs are "prolapsed", "bulging", "ruptured".