Lumbar puncture. Find premium, high-resolution illustrative art at Getty Images. The 5 lumbar vertebrae are the largest compared to other spinal regions. #44448316 - medical 3d illustration of a painful lumbar spine. The L3-L4 motion segment includes the following structures: The L3-L4 motion segment provides a bony enclosure to protect the cauda equina and other delicate structures. Fotosearch - The World's Stock Photography - One Web Site TM The lumbar vertebrae are the some of the largest and heaviest vertebrae in the spine, second in size only to the sacrum. Get help! Similar to other joints in the body, each facet joint is encased in a capsule of connective tissue that produces a nourishing fluid that lubricates the joint. Each disc is similar to a fibrous pad of tissue (called fibrocartilage) and anchored in place by vertebral endplates (called cartilaginous endplates) starting at C3 through L5-sacrum. Lumbar spine: 5 vertebrae of the lower back (L1-L5) Sacrum; Coccyx; A normal vertebral column creates a graceful, double-S curve when viewed from the side of the body. Your Other Core. Each foraminal space is created on the left and right sides of an intervertebral disc, which is anchored between 2 vertebral bodies. Deerfield, version.2020.07.019-2020.07.003. The vertebral bodies, intervertebral discs and facet joints are illustrated to show how these structures work together to support the spinal column and enable movement. The spinal cord is a long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column.It encloses the central canal of the spinal cord, which contains cerebrospinal fluid.The brain and spinal cord together make up the central nervous system (CNS). The vertebral column houses the spinal canal, a cavity that encloses and protects the spinal cord. An injury to the cauda equina is called cauda equina syndrome. Lumbar Spine Anatomy, Illustration. View top quality illustrations of Lumbar Spine Illustration. The spine attempts to keep the body’s weight balanced evenly over the pelvis. Photo Source: Shutterstock. L3 has the longest spinous process in the lumbar region. Sometimes these joints are called zygapophyseal or apophyseal joints. These vertebrae are located near the base of the spine and naturally form a slight outward curve in the back, … | Get Veritas Health eNewsletters delivered to your inbox. The lumbar spine is the third region of the vertebral column, located in the lower back between the thoracic and sacral vertebral segments.. ... Nerve Spinal Cord Lumbar Spinal Stenosis Examen Clinique Spondylolisthesis Causes Of Back Pain Degenerative Disc Disease Spine Health Ankylosing Spondylitis. The causes of spinal stenosis include: Bone overgrowth/arthritic spurs: Osteoarthritis is the “wear and tear” condition that breaks down cartilage in your joints, including your spine. Numbering order of … human spine - spine stock illustrations. They are the structures through which the central nervous system (CNS) receives sensory information from the periphery, and through which the activity of the trunk and the limbs is regulated. Lumbar vertebrae anatomy is generally classified by dividing the lumbar spine into five distinct sections. This supports the lumbar spine in its main function as a weight bearing structure. The vertebral column serves to protect the spinal cord and nerve roots, which are part of the central nervous system that starts at the base of the brain. All information is peer reviewed. During a lumbar puncture, a needle is inserted between two lumbar bones (vertebrae) to remove a sample of cerebrospinal fluid. 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