Sentences with phrase «nucleus pulposus»

Often, the conditions are caused by the breakdown of discs, the load - bearing, donut - like structures that cushion the bones of the spine and are made mostly of a tissue called nucleus pulposus.

Type I involves nucleus pulposus degeneration and extrusion.

As scientists try to find early therapy options to fight degenerative disc disease, there has been considerable interest in harnessing stem cells to restore nucleus pulposus, or NP.

«A less hydrated, more fibrous nucleus pulposus [the inner core of the vertebral disc] is unable to evenly distribute compressive forces between the vertebral bodies.

In some breeds, the inner nucleus pulposus loses it's «jelly - like» properties and becomes dry and brittle.

Effect of hyperbaric oxygenation on intervertebral disc degeneration: an in vitro study with human lumbar nucleus pulposus.

It involves making a slit over the annulus fibrosus and removal of any mineralized nucleus pulposus.

Normal disk on the left shows nucleus pulposus happily inside the annulus fibrosis.

The cut surface of the disk shows the central soft nucleus pulposus and the tougher annulus fibrosus surrounding it.

A retrospective study * was undertaken to compare the clinical signs and outcomes of dogs diagnosed with presumptive ischemic myelopathy (aka Fibro - Cartilagenous Embolus or FCE) or presumptive acute non - compressive nucleus pulposus extrusion (ie a non-compressive disc hernia or «traumatic disc»).

The intervertebral discs are filled with a gelantinous substance in the middle called nucleus pulposus and when a disc prolapses this jelly - like centre squeezes out and puts pressure on the spinal cord compressing the nerve routes and causing pain.

Type I --(Nucleus pulposus degeneration and extrusion) Smaller breeds of dogs or dogs that have disproportionately short limbs which are two years old or over are more likely to suffer from Type I of this disc disease.

Nucleus pulposus can degenerate with age, causing the discs to lose their shape and collapse — resulting in pain, among other problems.

The increase in disc height was due to restoration in the transplant group of the nucleus pulposus structure, which refers to the jelly - like substance in the disc, and an increased amount of water content, which is critical for the appropriate function of the disc as a cushion for the spinal column, the researchers concluded.

In dogs that herniate (or «slip») a disk, the nucleus pulposus extrudes dorsally from the annulus fibrosus and may forcibly strike the spinal cord and / or compress the spinal cord.

It is suspected that fibrocartilage from the soft gel like center (the nucleus pulposus) of an intervertebral disc enters a vertebral blood vessel, blocks the vessel and causes a «stroke» to the spinal cord.

Again the normal disk is on the left (although in this diagram we did not draw in the nucleus pulposus).

Nucleus pulposus is shown in blue.

On the right the nucleus pulposus has herniated upward into the dorsal longitudinal ligament and spinal cord, creating swelling and inflammation.

Hansen Type I Disk Herniation As mentioned, in Hanson Type I disk herniation, the nucleus pulposus becomes dehydrated and mineralized.

Due to this, movements such as twisting put an enormous strain on the discs and they can tear, allowing the nucleus pulposus to spill out.

After degeneration, the disc can no longer act as a shock absorber and so the ligament tears and the jelly, or nucleus pulposus, pushes out of the center of the disc and into the vertebral canal to cause compression of the spinal cord or the nerve roots.

In some breeds of dogs, though, the nucleus pulposus isn't normal.

When the nucleus pulposus degenerates in these animals it loses water content or «dries out».

In chondrodystrophoid breeds like dachshunds, the discs undergo change where the nucleus pulposus changes from a jelly - like substance into cartilage.

The disc is made up of two components, the inner, «cushiony» center, or NUCLEUS PULPOSUS and the outer ring called the ANNULUS FIBROSUS.

This jelly - like inside material inside is called the «nucleus pulposus» and it is this material that makes up the fibrocartilaginous embolus.

As mentioned, in Hanson Type I disk herniation, the nucleus pulposus becomes dehydrated and mineralized.

The material that embolizes the spinal cord in FCE appears to be the nucleus pulposus though how this material would arrive in the spinal cord is unknown.

In Chondrodystrophic breeds, premature calcification of the nucleus pulposus at early age (from birth to 1 year of age) results in degeneration of all discs in young dogs.

With this degeneration comes a hardening and eventual herniation of the nucleus pulposus contained within the disc.