intervertebral discs definition
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- A vertebral disc is the shock-absorbing structure between each vertebra. The disc has a thick outer layer (annulus) that surrounds the soft gel-like center (nucleus).
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Spinal disc herniation For other uses, see Slipped disc (disambiguation). Spinal disc herniation, also known as a slipped disc, is a medical condition affecting the spine in which a tear in the outer, fibrous ring of an intervertebral disc allows the soft, central portion to bulge out beyond the damaged outer rings.
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- An intervertebral disk acts as shock absorber between each of the vertebrae in the spinal column by keeping the vertebrae separated when there is impact from activity.
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- © Reed Group. Degeneration of cervical intervertebral discs is common, and often postulated as a cause of neck and arm pain. The neck (cervical spine) is made up of seven vertebrae. Starting with cervical vertebra number 2 (C2), an intervertebral disc separates each vertebra from the vertebrae below. A cervical intervertebral disc is a spongy structure that helps absorbs shock and allows movement of the cervical vertebrae. A degenerating disc loses some of its thickness and becomes less flexible, causing the space between two vertebrae to narrow.
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- Click through until finding the correct Carrier product. Next to the product, under Key Documents, is a link called Product Data. Click on it to go to the PDF page. Once on the PDF page, look at the top-right side of the page. This has a box with the item name, description and the serial number.
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Cervical Disc Disease Understanding cervical disc disease requires basic knowledge of anatomy and biomechanics. The intervertebral disc is a functional unit connecting 2 vertebral bodies of the spine. The disc absorbs shock, accommodates movement, provides support, and separates vertebral bodies to lend height to intervertebral foramina.
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imaginal disc A Dictionary of Biology. © A Dictionary of Biology 2004, originally published by Oxford University Press 2004. imaginal disc A group of undifferentiated cells in an insect larva that develops into a specific adult structure. Imaginal discs are derived from the blastoderm. They do not undergo further development until the pupal stage, when they start to differentiate into adult epidermal structures, such as eyes, antennae, and wings, under the control of the hormone ecdysone.
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New drug combination treats hepatitis C patients also infected with HIV Combination Treatment for Hep C Associated With Favorable Response Among HIV Patients. July 19, 2014 — HIV-infected patients also infected with hepatitis C virus (HCV) who received a combination of the medications sofosbuvir plus ribavirin had high rates of sustained HCV virologic response 12 weeks ...
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Intervertebral disk Intervertebral disk. An intervertebral disk acts as shock absorber between each of the vertebrae in the spinal column by keeping the vertebrae separated when there is impact from activity. They also serve to protect the nerves that run down the middle of the spine and intervertebral disks.
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- The spine is composed of many bones called vertebrae, which are separated by tough pads (called intervertebral discs) intended to reduce shock and friction. When these discs degenerate due to age or injury, they can rupture, allowing the gelatinous material within to seep into the spaces between vertebrae.
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Intercalated discs Intercalated discs Definition. These are transverse bands that separate the adjacent ends in cardiac muscle fibers. Normally these structures appear as stained irregular lines at 90 degrees to the striped sarcomeric pattern.ntercalated discs Description. The cross-bands contain the following components that act as cell-cell junctions: 1  Fascia adherens: These are majorly the anchoring regions for actin. 2  Once attached, the thin filaments of actin bind to the sarcomeres of the cardiac muscles.
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- ruptured intervertebral disc-a painful rupture of the fibrocartilage of the disc between spinal vertebrae; occurs most often in the lumbar region.herniated disc, slipped disc. rupture-state of being torn or burst open.uptured intervertebral disc-a painful rupture of the fibrocartilage of the disc between spinal vertebrae; occurs most often in the lumbar region.
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Intervertebral Disc Definition Spine Anatomy Video. A vertebral disc is the shock-absorbing structure between each vertebra. The disc has a thick outer layer (annulus) that surrounds the soft gel-like center (nucleus).
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- Story at-a-glance 1  +. Intervertebral disc disease (IVDD) is a condition in which a disc develops a problem and the material inside escapes into the spinal column, ultimately causing pain, nerve damage, and even paralysis. 2  The condition is seen more often in dogs than cats.
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Intervertebral Discs There are about 23 discs in the spine; 6 cervical, 12 thoracic, and 5 in the lumbar region. The intervertebral discs are approximately 7-10 mm thick and 4 cm in diameter (anterior – posterior plane) in the lumbar region of the spine.
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Intervertebral Disc: Definition, Function & Disease The intervertebral discs are vulnerable to a variety of injuries. The most common is called a herniated disc (a.k.a., a bulging disc or slipped disc). Herniated discs usually occur later in life.
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Intervertebral Disc: Definition, Function & Disease The discs have a tough outer covering of cartilage that provides support (the annulus fibrosus) and a soft, jellylike center that provides the cushioning (the nucleus pulposus). The intervertebral discs have the following functions: They provide cushioning for the vertebrae and reduce the stress caused by impact. By keeping the vertebrae separated from each other, they act as a type of shock absorber for the spine.
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Intercalated disc Intercalated discs are microscopic identifying features of cardiac muscle. Cardiac muscle consists of individual heart muscle cells (cardiomyocytes) connected by intercalated discs to work as a single functional organ or syncytium.ntercalated discs are microscopic identifying features of cardiac muscle. Cardiac muscle consists of individual heart muscle cells (cardiomyocytes) connected by intercalated discs to work as a single functional organ or syncytium.
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What is intervertebral Disc Displacement Lumbar? exists and is an alternate of . An intervertebral disk in which the nucleus pulposus has protruded through surrounding fibrocartilage. This occurs most frequently in the lower lumbar region. An intervertebral disk in which the nucleus pulposus has protruded through surrounding fibrocartilage. This occurs most frequently in the lower lumbar region.
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Herniated Disc Definition Thoracic Herniated Disc Video. A herniated disc is a condition in which the annulus fibrosus (outer portion) of the vertebral disc is torn, enabling the nucleus (inner portion) to herniate or extrude through the fibers.he herniated disc material is similar to crab meat in constitution. During surgery, generally only the disc material compressing the nerve will be removed, and most (95%) of the intervertebral disc material is left in place.
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Intervertebral disc disease Cause Cause. Intervertebral disc disease (IDD) is a multifactorial disorder, which means that both genetic and environmental factors probably interact to predispose an individual to the condition. It is likely that several factors are needed for development of IDD.
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articular disk intervertebral disk the layer of fibrocartilage between the bodies of adjoining vertebrae; see also herniated disk. intra-articular d's articular disk.
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- Intervertebral disc degeneration is one of the most common mechanical causes of low back pain, and it occurs when the usually rubbery discs lose integrity as a normal process of aging. In a healthy back, intervertebral discs provide height and allow bending, flexion, and torsion of the lower back.
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- In fact, this [new] study does suggest that other methods -- such as acupuncture, smoking cessation, weight loss, physical activity and proper ergonomics at our work stations -- may have an equal role to [acetaminophen] in treating back pain, he said.
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What Is the Nucleus Pulposus and How Does It Help Your Spine? The nucleus pulposus is the soft center of the intervertebral disc. It is contained by a strong covering (which is made of 3 concentric layers of tough fibrous tissues). The covering around the nucleus pulposus is known as the annulus fibrosus. The nucleus pulposus is responsible for shock absorption for the spine.