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  2. Spinal cord - Wikipedia

    en.wikipedia.org/wiki/Spinal_cord

    Sectional organization of spinal cord. The spinal cord is the main pathway for information connecting the brain and peripheral nervous system. [3] [4] Much shorter than its protecting spinal column, the human spinal cord originates in the brainstem, passes through the foramen magnum, and continues through to the conus medullaris near the second lumbar vertebra before terminating in a fibrous ...

  3. Arachnoid mater - Wikipedia

    en.wikipedia.org/wiki/Arachnoid_mater

    The arachnoid mater covering the brain is referred to as the arachnoidea encephali, and the portion covering the spinal cord as the arachnoidea spinalis. The arachnoid and pia mater are sometimes considered as a single structure, the leptomeninx, or the plural version, leptomeninges (lepto, from the Greek root meaning "thin" or "slender").

  4. Outline of the human nervous system - Wikipedia

    en.wikipedia.org/wiki/Outline_of_the_human...

    The following diagram is provided as an overview of and topical guide to the human nervous system: Human nervous system. Human nervous system – the part of the human body that coordinates a person's voluntary and involuntary actions and transmits signals between different parts of the body.

  5. Pia mater - Wikipedia

    en.wikipedia.org/wiki/Pia_mater

    The spinal pia mater closely follows and encloses the curves of the spinal cord, and is attached to it through a connection to the anterior fissure. The pia mater attaches to the dura mater through 21 pairs of denticulate ligaments that pass through the arachnoid mater and dura mater of the spinal cord.

  6. Dorsal body cavity - Wikipedia

    en.wikipedia.org/wiki/Dorsal_body_cavity

    The dorsal body cavity is located along the dorsal (posterior) surface of the human body, where it is subdivided into the cranial cavity housing the brain and the spinal cavity housing the spinal cord. The brain and spinal cord make up the central nervous system. [1] The two cavities are continuous with one another. [2]

  7. Denticulate ligaments - Wikipedia

    en.wikipedia.org/wiki/Denticulate_ligaments

    There are usually 21 denticulate ligaments on each side, with the uppermost pair occurring just below the foramen magnum, and the lowest pair occurring between spinal nerve roots of T12 and L1. [1] The denticulate ligaments are traditionally believed to provide stability for the spinal cord against motion within the vertebral column. [citation ...

  8. File:Nervous system diagram-en.svg - Wikipedia

    en.wikipedia.org/wiki/File:Nervous_system...

    The following 13 pages use this file: Central nervous system disease; Intercostal nerves; List of nerves of the human body; Neurological disorder; Neuroscience

  9. Spinal canal - Wikipedia

    en.wikipedia.org/wiki/Spinal_canal

    Spinal stenosis is a narrowing of the canal which can occur in any region of the spine and can be caused by a number of factors. It may result in cervical myelopathy [4] if the narrowed canal impinges on the spinal cord itself. Spinal canal endoscopy can be used to investigate the epidural space, and is an important spinal diagnostic technique ...

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