Define lumbar enlargement

These groups are responsible for draining lymphatic fluid from different areas (Regions) in the head and neck.The cervical plexus is a network of nerve fibres that supplies innervation to some of the structures in the neck and trunk.The lumbar enlargement gives attachment to the nerves which supply the lower limbs.Spinal stenosis is a progressive narrowing of the spinal canal that occurs most commonly in the cervical and lumbar areas.A cord of wood must, when the wood is piled close, measure eight feet by four, and the wood must be four feet long.The lumbar spine (lower back) consists of five vertebrae in the lower part of the spine, between the ribs and the pelvis.When the ligaments and tendons in this area become inflamed, it hurts to sit.

Rarely, swollen cervical nodes is a sign of a cancerous process.

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The prevalence of lumbar spinal stenosis is about 9.3%, with people in their 60s and 70s most commonly affected.

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In fact, back pain is one of the most prevalent symptoms in America today, second only to headache.The larger cervical and lumbar ASA segments are associated with larger radiculomedullary arteries to supply them — the famous artery of lumbar enlargement (Adamkiewicz), and the less well known (radiculomedullary) artery of the cervical enlargement, known to some neurovacular anatomists as the artery of Lazorthes.

The narrowing of the spinal canal, called spinal stenosis, can happen as a result of the degeneration and subsequent enlargement of the facet joints, spinal ligaments, bony end plates, and the intervertebral discs.

The vertebrae of the spine are organized into four regions (listed in order from cranial to caudal): cervical, thoracic, lumbar, and pelvic.It extends from about the third cervical to the second thoracic vertebra, its maximum circumference (about 38 mm.) being on a level with the attachment of the sixth pair of cervical nerves.Definition of spinal cord swelling was that an anteroposterior diameter of the spinal cord at the decompression level was larger than that of the normal spinal cord at the head and caudal level in the mid-sagittal T1-weighted images (T1WI).Cervical node enlargement with tenderness lasting more than 2 weeks is classified as subacute or chronic lymphadenitis.

Enhancement is most helpful for intradural lesions, for detection of the smaller ones and definition of the larger ones.The spinal cord is a long, thin, tubular bundle of nerves that is an extension of the central nervous system from the brain and is enclosed in and protected by the bony vertebral column.

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The most common site of involvement in the mobile spine is the vertebral body with sparing of the posterior elements (, 51,, 53,, 54).

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The numbers to the left identify the spinal nerves and indicate where the nerve roots leave the vertebral canal.

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It commences about the level of T11 and ends at L2, and reaches its maximum circumference, of about 33 mm.

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The spinal column is the central structure in the vertebrate body from which stability, movement, and posture all derive.Learn the clinical presentation and differential diagnosis of spinal lesions 3.The lumbar facets are the joints in the back of the vertebra that are paired and hook the rear of the top vertebra to the back of the vertebra below.

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At the base of the spinal column, near the first lumbar vertebra, is a collection of nerves called the cauda equina.Cervical (neck) lymph node enlargement Lymph nodes in the head and neck form groups.

People between the ages of 30 and 50 appear to be vulnerable because the elasticity and water content of the nucleus decreases with age.

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It is formed by the ventral branches of the first to the fourth upper lumbar nerves (L1-L4), with the last thoracic nerve (or T12) usually supplementing the first lumbar level by a small branch.Medical Definition of Lumbar enlargement. 1. A spindle-shaped swelling of the spinal cord beginning at the level of the tenth thoracic vertebra and tapering into the medullary cone, with maximum thickness opposite the last thoracic vertebra, consequential to the innervation of the lower limb.It is enlarged due to the present of spinal nerve anterior rami which contribute to the lumbar and sacral plexuses.