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Related Concept Videos

Spinal Cord: Gross Anatomy01:15

Spinal Cord: Gross Anatomy

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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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Spinal Cord: Cross-sectional Anatomy01:16

Spinal Cord: Cross-sectional Anatomy

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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.
Gray Matter and its Components
Central to the gray matter is...
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The Spinal Cord01:54

The Spinal Cord

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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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Spinal Cord01:26

Spinal Cord

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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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Spinal Cord: Information Processing01:10

Spinal Cord: Information Processing

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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.
Sensory Information Processing
Sensory information processing begins at the sensory receptors located in the skin and other tissues, which detect somatic sensory stimuli such as touch, temperature, or pain. These receptors function as catalysts, initiating...
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Spinal Nerves: Anatomy01:23

Spinal Nerves: Anatomy

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Spinal nerves are pivotal conduits in the nervous system, bridging the central nervous system (CNS) with the peripheral nervous system (PNS). These nerves enable a complex communication network between the brain, spinal cord, and the rest of the body, facilitating sensory input, motor output, and autonomic functions.
There are 31 bilateral pairs of spinal nerves, each emerging from the spinal cord through the intervertebral foramina—openings between adjacent vertebrae. These nerves are...
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Related Experiment Video

Updated: Nov 5, 2025

Establishing a Mouse Contusion Spinal Cord Injury Model Based on a Minimally Invasive Technique
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Vascular Spinal Cord Disorders.

Stephen W English1, Nicholas L Zalewski2

  • 1Department of Neurology, Mayo Clinic, Jacksonville, Florida.

Seminars in Neurology
|May 19, 2021
PubMed
Summary
This summary is machine-generated.

Spinal cord vascular disorders, though uncommon, cause myelopathy through various mechanisms like ischemia and hemorrhage. Early diagnosis and management of these vascular myelopathies are crucial for improving patient outcomes.

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Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
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Last Updated: Nov 5, 2025

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Intraspinal Cell Transplantation for Targeting Cervical Ventral Horn in Amyotrophic Lateral Sclerosis and Traumatic Spinal Cord Injury
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Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
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Area of Science:

  • Neurology
  • Vascular Medicine
  • Spinal Cord Disorders

Background:

  • Vascular disorders are uncommon but under-recognized causes of myelopathy.
  • These conditions encompass arterial ischemia, venous congestion, hematomyelia, and hemorrhage.

Purpose of the Study:

  • To comprehensively review spinal cord vascular anatomy.
  • To detail clinical features, radiographic findings, treatment, and prognosis of vascular myelopathies.

Main Methods:

  • Literature review of spinal cord vascular disorders.
  • Synthesis of information on etiology, presentation, and management.

Main Results:

  • Vascular myelopathies present with diverse clinical and radiographic findings.
  • Advances in recognition expedite diagnosis and management.

Conclusions:

  • Understanding spinal cord vascular anatomy and pathology is key.
  • Improved diagnosis and management strategies enhance patient outcomes for vascular myelopathies.