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Spinal Cord01:26

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The spinal cord, a critical component of the central nervous system, extends from the base of the brainstem to the lumbar region of the vertebral column. It is essential for maintaining physical stability and facilitating communication between the brain and peripheral parts of the body.
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The Spinal Cord01:54

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The spinal cord is the body’s major nerve tract of the central nervous system, communicating afferent sensory information from the periphery to the brain and efferent motor information from the brain to the body. The human spinal cord extends from the hole at the base of the skull, or foramen magnum, to the level of the first or second lumbar vertebra.
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The spinal cord is an integral hub for motor and sensory information that enables the brain to communicate with the peripheral nervous system (PNS). This communication consists of relaying sensory data and transmission of motor commands.
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The spinal cord resides within the protective confines of the vertebral column. It is the main pathway for information traveling between the brain and the body. It plays a fundamental role in nearly all bodily functions, from simple reflexes to complex motor movements. The spinal cord begins at the medulla oblongata at the base of the brainstem and extends downward, terminating at the conus medullaris near the first and second lumbar vertebrae. The spinal cord's length in adults is...
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The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
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Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
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Quantifying multiple sclerosis pathology in post mortem spinal cord using MRI.

K Schmierer1, A McDowell2, N Petrova3

  • 1Queen Mary University of London, Barts and The London School of Medicine & Dentistry, Blizard Institute (Neuroscience), London, UK; Barts Health NHS Trust, Clinical Board Medicine (Neuroscience), The Royal London Hospital, London, UK.

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Summary
This summary is machine-generated.

Multiple sclerosis (MS) is a central nervous system disease. New MRI techniques combined with advanced histology offer better insights into spinal cord pathology and MS-related disability.

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Area of Science:

  • Neuroscience
  • Radiology
  • Pathology

Background:

  • Multiple sclerosis (MS) is a prevalent inflammatory, demyelinating, and degenerative disease of the central nervous system.
  • Spinal cord damage is a common cause of MS symptoms and disability, particularly in advanced stages.
  • Current methods for predicting MS-related disability often rely on short-term MRI observations, like spinal cord cross-sectional area.

Purpose of the Study:

  • To explore the histo-pathological correlates of spinal cord MRI changes in MS.
  • To investigate advanced quantitative MRI techniques for assessing tissue microstructure in MS spinal cords.
  • To improve the precision of MRI indices in relating to underlying tissue features like myelin and neurite density.

Main Methods:

  • Application of quantitative MRI techniques (T1, T2, Magnetisation Transfer, diffusion-derived indices) to post mortem MS spinal cords.
  • Combining advanced quantification of histological features with quantitative MRI.
  • Focus on diffusion-based MRI techniques for microstructural imaging.

Main Results:

  • Quantitative MRI techniques have been successfully applied to post mortem MS spinal cord tissue.
  • Advanced quantification of histological features alongside quantitative MRI creates a platform for high-quality MR/pathology data.
  • Accurate quantification of grey matter pathology in the MS spinal cord remains a challenge.

Conclusions:

  • Quantitative MRI and advanced histology offer a new approach to understanding MS spinal cord pathology.
  • Improved microstructural imaging is crucial for accurately quantifying grey matter pathology, a key driver of disability in advanced MS.
  • Further research combining these techniques can enhance the understanding and prediction of MS-related disability.